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Bids Are invited for Plumb Bob 115 Grams Vertical Alignment Line Bob - Nominal Weight 115 G With Cylindrical Body And Sharp Point. Solid Brass Or Steel Body With Replaceable Carbon Steel Tip Hardened To 45-50 Hrc. Axially Balanced For Accurate Vertical Transfer With Knurled Top Cap And Cord Hole. Polished Brass Or Chrome Finish Conforming To Is 2121 Or Is 1237 Standard. , Rawl Punch Holder And Bits Set No 8 And 10 Masonry Hand Punch - Impact Punch Holder With Interchangeable Bits No 8 And No 10. Drop-Forged Alloy Tool Steel With Bits Heat-Treated To 54-58 Hrc. Knurled Shock-Absorbing Body With Rubber Hand Guard And Quick-Change Chuck. Black-Oxide Anti-Rust Finish. , Wall Jumper Octagonal 37Mm X 450Mm And 37Mm X 600Mm Masonry Chisel Bar - Octagonal Profile 37 Mm Across Flats In Lengths 450 Mm And 600 Mm. Made From High Carbon Tool Steel En9 Or En31 With Cutting Edge Hardened To 52-56 Hrc And Soft-Tempered Head. Drop-Forged Single-Piece Construction. Anti-Corrosive Clear Lacquer Or Powder Coat Finish Conforming To Is 402 Standard. , Rawl Punch Holder And Bits Set No 8 10 14 16 Heavy Duty Masonry Kit - Heavy-Duty Plug Punch Holder Supplied With 4 Bits No 8 No 10 No 14 And No 16. Chrome-Vanadium Or Hss Steel Bits Hardened To 56-60 Hrc. Deep Knurled Grip With Heavy Impact Head And Thread Chuck Bit Retention. Black-Phosphate Anti-Rust Finish. , Scriber 150 Mm Knurled Center Position Engineers Marking Tool - Pocket Marking Scriber 150 Mm Overall Length With Fine Straight Scribing Tip. High-Carbon Tool Steel Or Carbide Tip Hardened To 60-62 Hrc. Diamond-Knurled Center Position For Non-Slip Finger Grip. Bright Nickel Or Chrome Plated Conforming To Is 3576 Standard. , Foot Print Grip 250 Mm Adjustable Pipe Wrench Plier - 250 Mm 10-Inch Adjustable Frame Footprint Pipe Grip Wrench. Drop-Forged Cr-V Steel With Serrated Teeth Induction Hardened To 55-60 Hrc. Interlocking Teeth With Wedge-And-Pin Mechanism For Non-Slip Grip. Enamelled Body With Anti-Rust Jaws Conforming To Is 4003 Or Is 5087. , Allen Keys Set Complete Metric Hex Key Socket Wrench - Complete Metric Hex Key Set Sizes 1.5Mm 2Mm 2.5Mm 3Mm 4Mm 5Mm 6Mm 8Mm And 10Mm. Chrome-Vanadium Steel Cr-V 6150 Or S2 Through-Hardened To 52-56 Hrc. Chamfered Ends For Smooth Insertion Includes Plastic Index Holder. Black-Phosphate Anti-Rust Finish Conforming To Is 3082 Iso 2936 Din 911. , Scissors 200 Mm General Purpose Workshop Utility Shears 8 Inch - 200 Mm 8-Inch Overall Length Straight-Edge Cutting Shears. Stainless Steel Or High Carbon Steel With Blades Hardened To 50-55 Hrc. Precision Ground Blades With Adjustable Pivot Screw And Ergonomic Handles. Bright Mirror Or Satin Finish Conforming To Is 989 Standard. , Scissors Blade 150 Mm Compact Utility Shears 6 Inch - 150 Mm 6-Inch Overall Length Short Shear Blades. High-Carbon Stainless Steel Blades Hardened To 52-56 Hrc. Beveled Precision Cutting Edges With Heavy-Duty Center Rivet Pivot. Satin-Finished Steel Blades Conforming To Applicable Bis Standards. , Earth Electrode Secondary Cu Strip 20X5mm Grounding Busbar - Flat Rectangular Copper Earth Strip 20 Mm Width By 5 Mm Thickness. Electrolytic Grade Copper Minimum 99.9 Percent Cu Purity Etp In Soft Or Half-Hard Temper. Burr-Free Rounded Edge Profile With Minimum Electrical Conductivity 100 Percent Iacs. Bare Bright Copper Surface Finish Conforming To Is 1897 And Is 3043. , Scissors Pinking Shears Zigzag Edge Fabric Scissors - 230 Mm To 250 Mm Overall Length Pinking Shears With Saw-Toothed Blades. Forged High-Carbon Stainless Steel With Teeth Induction Hardened To 54-58 Hrc. Precision-Meshed Zigzag Teeth To Prevent Fabric Fraying With Ball-Bearing Or Screw Pivot. Polished Blades With Pvc-Dipped Or Painted Ergonomic Handle Grips. , Caliper Hermachrodite.Spring 15 Cm - Size And Type - 150 Mm (15 Cm) Nominal Length, Spring-Joint Type With A High-Tension Tempered Steel Bow Spring For Zero Backlash. Material And Hardness - High Carbon Steel (Hcs) Construction. Legs Must Not Be Mild Steel. Tips Of Both The Straight Scribing Leg And The Bent Edge-Guiding Leg Must Be Induction Hardened To A Minimum Of Hrc 50-55. Adjustment - Solid Brass Or Hardened Steel Knurled Nut With Fine-Pitch Threads For Smooth Micro-Adjustment. Machined Steel Fulcrum Roller. Finish And Standard - Rust-Resistant Polished Or Black-Oxide Finish. Must Strictly Conform To Is 4183 (Specification For Spring Type Calipers) Or Equivalent Bis Standard. , Straight Edge Engineers 300 X 50 X 12 Mm Bevelled Edge. - Dimensions And Design - Minimum 300 Mm Length X 50 Mm Width X 12 Mm Thickness Or Higher Dimensions. Must Feature One Continuous Precision-Beveled (Knife) Edge Designed For Accurate Light-Gap Testing Of Flat Surfaces. Material And Hardness - Manufactured From High-Grade, Fully Seasoned (Stress-Relieved) Carbon Steel Or Alloy Tool Steel To Prevent Long-Term Warping. The Working Edge Must Be Hardened To Hrc 55-60. Soft Mild Steel Or Unhardened Edges Will Be Strictly Rejected. Accuracy And Finish - Working Edge Must Be Precision Ground And Lapped. Flatness And Straightness Must Strictly Conform To Grade 0 Or Grade 1 Accuracy As Per Is 2220, Din 874, Or Equivalent Bis Standard. Packaging - Must Be Supplied With A Rust-Preventive Coating And Housed In A Fitted Protective Wooden Or Padded Case To Prevent Edge Damage During Transit And Storage. , Extractors -Screw_Stud Sizes 1 To 8 -Set - Size And Type - Complete Set Of 8 Distinct Sizes (No. 1 To No. 8) Or Higher Covering A Wide Extraction Range. Must Be Spiral-Fluted (Left-Hand Reverse Taper / Ezy-Out Style) With Precision-Machined Square Driving Shanks For Use With Standard Tap Wrenches. Material And Hardness - Manufactured From Premium Chrome Molybdenum (Cr-Mo) Steel Or High-Grade Alloy Tool Steel. Must Be Fully Heat-Treated And Tempered To A Hardness Of Hrc 50-55 To Prevent Snapping. (Cheap Carbon Steel Or Mild Steel Bits Will Be Strictly Rejected). Flute Design - Deep, Aggressively Machined Reverse Spiral Flutes Designed To Dig Into And Securely Grip Broken Screws/Studs Without Expanding Them. Storage And Marking - Must Be Supplied In A Durable, Indexed Metal Or Heavy-Duty Plastic Storage Case With Sizes Clearly Laser-Etched Or Stamped On Both The Case And The Individual Extractors. , Micrometer In Sdie 25 Mm To 50 Mm Least Count 0.01 Mm With Extension Rods Up To 150 Mm - Range And Resolution - Measuring Range Of 25 Mm To 50 Mm With A Least Count (Resolution) Of 0.01 Mm. Material And Faces - Drop-Forged Steel Frame With A Baked Enamel Finish. Spindle And Anvil Measuring Faces Must Be Micro-Lapped Tungsten Carbide Tipped. (Plain Steel Measuring Faces Will Be Strictly Rejected). Mechanism - Must Feature A Ratchet Stop For Applying Uniform Measuring Force, A Secure Locking Lever/Clamp, And A Glare-Free Satin-Chrome Finish On The Thimble And Sleeve For Clear Reading. Accessories - Must Be Supplied With A Precision 25 Mm Setting Standard (Gauge Block/Rod) And An Adjusting Spanner. Mandatory Certification - Must Include A Valid Nabl-Traceable (Or Equivalent Accredited Lab) Calibration Certificate. Standard And Packaging - Must Conform To Is 2967 Or Din 863 Standards. Supplied In A Fitted, Shock-Absorbent Wooden Or Heavy-Duty Plastic Storage Case. , Universal Scribing Block 220 Or 225 Or 250 Mm. Pillar. - Size And Type - Universal Type Featuring A Rocker/Fine Adjustment Mechanism For Precise Marking. Solid Steel Pillar/Spindle Height Must Be Between 220 Mm And 250 Mm. Base Construction - Heavy-Duty, Stress-Relieved Cast Iron Base. Bottom Surface Must Be Precision-Machined/Ground And Feature A V-Groove For Resting On Cylindrical Jobs, Plus Two Retractable Steel Guide Pins For Marking Along Edges. (Lightweight Or Unground Bases Will Be Strictly Rejected). Clamp Assembly - Robust Steel Snug/Clamp Mechanism Capable Of Securely Locking The Scriber At Any Angle On The Pillar. Scriber Needle - Must Include A Double-Ended Scriber (One Straight Point, One 90-Degree Bent Point) Made Of High Carbon Steel (Hcs) Or Tool Steel. Both Points Must Be Induction Hardened To Hrc 55-60. Standard And Finish - Must Conform To Is 4290 (Specification For Surface Gauges) Or Equivalent Bis Standard. Supplied In A Rust-Preventive Coated Finish. , Blocks Vee 150 X 100 X 100 Mm. - Dimensions And Type - 150 Mm (L) X 100 Mm (W) X 100 Mm (H). Features A Central 90-Degree V-Angle. Must Be Supplied As A Strictly Matched Pair (Both Blocks Machined And Ground Together Simultaneously For Identical Sizing). Material And Finish - Manufactured From Closely Grained, Fully Stress-Relieved Cast Iron Or Hardened Tool Steel. All Working Surfaces (Top, Bottom, Sides, And V-Grooves) Must Be Precision-Ground. (Unmatched Or Roughly Milled Blocks Will Be Strictly Rejected). Accuracy And Standard - Must Conform To Grade A Or Grade 1 Accuracy As Per Is 2949. Flatness, Parallelism, And V-Groove Alignment Between The Two Matched Blocks Must Be Within A Tolerance Of 0.01 Mm. Clamps - Must Include Perfectly Fitting, Heavy-Duty Malleable Iron Or Drop-Forged Steel U-Clamps With Machined Steel Clamping Screws To Secure Cylindrical Jobs. Packaging - Supplied Coated With Rust-Preventive Oil In A Custom-Fitted Wooden/Fiber/Plastic Storage Box. , Angle Plate Adjustable 150X150x250 Mm - Dimensions And Type - 250 Mm (L) X 150 Mm (W) X 150 Mm (H). Heavy-Duty Adjustable (Swivel) Type Capable Of Tilting From 0 Degrees To 90 Degrees. Material - Manufactured From Close-Grained, Fully Stress-Relieved Cast Iron. Both The Base And The Tilting Working Face Must Be Precision Machined And Ground. (Rough Cast Or Unground Plates Will Be Strictly Rejected). Clamping And Adjustment - Working Face Must Feature Precision-Machined T-Slots Or Heavy Elongated Slots For Securing Workpieces. Must Feature A Clearly Engraved Graduated Degree Scale. Compliance - Must Feature Heavy-Duty Side-Locking Bolts/Quadrants. When Locked At Exactly 90 Degrees, The Plate Must Remain Absolutely Rigid Without Deflection Under Load. Accuracy - Squareness And Parallelism When Locked Must Be Within A Tolerance Of 0.02 Mm. Supplied With Rust-Preventive Coating. , Box Spanner Set 6-25 Mm Set Of 10 Pcs With Tommy Bar Dia 6,8 ,10,12,14, 16 - Set Composition - Complete Set Comprising 10 Or Higher Pieces Of Double-Ended Tubular Box Spanners Covering Sizes A/F (Across Flats) 6 Mm To 25 Mm, Plus A Complete Set Of 6 Dedicated Tommy Bars (Diameters - 6, 8, 10, 12, 14, And 16 Mm). Material Construction - Manufactured From High-Quality Seamless, Cold-Drawn Chrome Vanadium (Cr-V) Steel Or High-Grade Carbon Steel Tubing. (Cheap Welded-Seam Pipes Or Soft Mild Steel Tubes That Split Under Pressure Will Be Strictly Rejected). Hardness And Machining - The Hexagonal Sockets At Both Ends Must Be Precision-Broached/Machined For An Exact, Non-Slip Fit On Fasteners. The Working Ends Must Be Induction Hardened And Tempered To Prevent Flaring Or Rounding Off Under High Torque. Tommy Bars - The Included Tommy Bars Must Be Manufactured From Solid Hardened Tool Steel With Chamfered Ends To Prevent Bending Or Deformation When Applying Heavy Leverage. Finish And Standard - Must Have A High-Quality, Rust-Resistant Bright Chrome Or Zinc-Plated Finish. Dimensions And Quality Must Conform To Is 2030 (Specification For Tubular Box Spanners) Or Equivalent Bis Standards. Packaging - Supplied Neatly Organized In A Heavy-Duty Canvas Tool Roll Or Sturdy Storage Pouch Or Wooden/Fiber/Pvc Box , Clamp Vice Tool Maker 5 Cm And 7.5Cm Set Of 2. - Set Composition - Must Be Supplied As A Complete Set Of Exactly 2 Pieces - One Clamp With A 50 Mm (5 Cm) Jaw Length, And One Clamp With A 75 Mm (7.5 Cm) Jaw Length. Material And Hardness - Manufactured From Solid High-Grade Carbon Steel Or Alloy Tool Steel. The Jaws Must Be Precision Machined And Case-Hardened/Tempered (Hrc 50-55) To Prevent Bending Or Warping Under High Clamping Pressure. (Cheap Cast Iron Or Soft Mild Steel Clamps Will Be Strictly Rejected). Screw Mechanism - Heavy-Duty Twin-Screw Design (One Clamping Screw And One Adjusting Screw) Made Of Hardened Steel. Threads Must Be Precision Cut (Square Or Fine-Pitch Profile) To Prevent Stripping Under Heavy Torque. Screw Heads Must Be Deeply Knurled And Feature A Through-Hole For Inserting A Leverage Pin. Accuracy - The Inner Gripping Faces Of The Jaws Must Be Perfectly Flat And Remain Strictly Parallel At All Opening Widths To Ensure Even Gripping Of Precision Workpieces Without Slipping Or Damage. Finish - Must Have An Industrial Black-Oxide (Chemically Blackened) Finish For Superior Rust Prevention And Durability. , Reamer Machine 12 Mm To 16 Mm In Steps Of 0.5 Mm-Set - Set Composition (9 Pieces) - Complete Set Covering Sizes From 12 Mm To 16 Mm In Exact Steps Of 0.5 Mm. Must Include Exactly 9 Pieces (Sizes - 12.0, 12.5, 13.0, 13.5, 14.0, 14.5, 15.0, 15.5, And 16.0 Mm). Type And Design - Machine Reamers (Chucking Reamers) Featuring Parallel (Straight) Shanks And Helical Flutes Designed For Smooth, Chatter-Free Cutting And Efficient Chip Evacuation. (Straight Flute Reamers Will Be Strictly Rejected). Material And Hardness - Manufactured From Premium Industrial-Grade High-Speed Steel (Hss, Grade M2 Or M35). Cutting Edges Must Be Fully Hardened, Tempered (Hrc 62-64), And Precision-Ground. (Carbon Steel Or Low-Grade Tool Steel Will Be Rejected). Accuracy And Standard - Must Strictly Conform To Is 5444 / Din 212 Standards For Parallel Shank Machine Reamers. Tolerance Class H7 For Precise Finishing Of Holes. Packaging - Supplied In A Dedicated Protective Wooden Or High-Impact Plastic Index Box With Clear Size Markings For Each Individual Reamer. Option - Set Of Spiral Machine Reamers Only Be Given In Case Helical Reamers Not Available , Profile Gauges Plate Type For Demonstration Metric Standard - Type And Application - Set Of Precision Plate-Type Solid Metal Form/Profile Gauges (Templates) Used To Check The External And Internal Outlines Of Machined Engineering Components. Radius Gauge And Angle Gauge Only (Note - Sliding Pin-Type Contour Gauges Or Plastic Carpentry Tools Will Be Strictly Rejected). Profiles Included - The Set Must Include A Comprehensive Range Of Standard Metric Engineering Profiles, Primarily Consisting Of Convex And Concave Radii From 1 Mm To 25 Mm, As A Single Set Or Multiple Sets And Standard Machined Angle Templates (Gauges) From 01 Degree To 90 Degrees As A Single Set Or In Combination. Material - Manufactured From High-Grade, Rust-Resistant Stainless Steel Or Hardened Spring Steel. The Measuring Edges Of Every Plate Must Be Precision-Ground, Perfectly Flat, And Burr-Free. (Mild Steel Or Aluminium Plates Will Be Rejected). Markings - Every Individual Plate/Leaf Must Have Its Specific Metric Dimension Or Angle Permanently Deep Laser-Etched (Engraved) Or Stamped Into The Metal. (Painted Or Surface-Printed Markings Are Unacceptable). Packaging - Supplied Either Securely Mounted On A Ring, In A Folding Steel Holder, Or Neatly Arranged In A Custom-Fitted Wooden/Plastic Storage Case With A Rust-Preventive Oil Coating. , Boring Bar Indexable With Insert 1 Inch Shank - Shank Dimensions - 1 Inch (25.4 Mm) Diameter Solid Round Shank. Must Feature A Precision-Machined Flat Clamping Surface (Flat Flat) Along The Length To Ensure Secure, Anti-Rotation Locking In The Lathe Tool Post. Bar Material And Hardness - Manufactured From Heavy-Duty Alloy Tool Steel (E.G., 42Crmo4 Or En24). The Entire Bar Must Be Fully Heat-Treated, Stress-Relieved, And Hardened (Minimum Hrc 40-45) To Prevent Deflection, Bending, And Chatter During Deep Hole Boring. (Soft Mild Steel Bars Will Be Strictly Rejected). Insert Compatibility - Designed To Accept Standard Iso Indexable Carbide Inserts (Such As Ccmt, Tcmt, Or Dcmt Positive Rake Inserts). Must Feature A High-Tensile Torx Screw Or Rigid Lever-Lock Clamping Mechanism For Secure Insert Seating. Included Inserts (Mandatory) - The Bar Must Be Supplied Complete With A Minimum Of 10 Pieces (1 Standard Box) Of Matching, High-Quality Coated Tungsten Carbide Inserts Suitable For Machining Mild Steel And Cast Iron. (Supplying The Bar Without Matching Inserts Is Unacceptable). Finish And Accessories - Must Feature An Industrial Black Oxide (Chemically Blackened) Or Nickel-Plated Rust-Resistant Finish. Must Include The Correct, High-Quality Torx/Hex Key Required For Insert Replacement. Packaging - Supplied In A Durable Plastic Telescopic Tube Or Fitted Storage Box For Protection. , Lapping Plate 6 Inch Dia - Dimensions And Type - Circular Precision Lapping Plate With A 6 Inch (150 Mm) Diameter Working Face. The Plate Must Have A Substantial Thickness (Minimum 25 Mm). Material Construction - Manufactured From Premium, Close-Grained, Fully Stress-Relieved (Annealed) Cast Iron (C.I.). The Cast Iron Must Be Of The Correct Metallurgical Grade To Allow Abrasive Lapping Compound To Embed Into Its Pores. Surface Design (Grooved) - The Precision Working Face Must Feature A Machined Grid Pattern Of Narrow, Shallow Grooves (Serrations) Across The Entire Surface. Accuracy And Flatness - The Grooved Working Surface Must Be Precision-Lapped By The Manufacturer To An Extreme Flatness Tolerance (Within 0.005 Mm To 0.01 Mm). Must Conform Strictly To Is 7378 Or Equivalent Standards. Packaging And Protection - The Precision Face Must Be Supplied Heavily Coated With Rust-Preventive Oil. It Must Be Delivered In A Custom-Fitted Wooden Storage Box Or Come With A Rigid Wooden Cover To Prevent Accidental Gouging Or Scratching When Not In Use. , Drills Guage Straight Shank Letter Sizes A To Z With Guage - Type And Capacity - Precision Flat Plate Gauge Designed For Checking And Identifying Straight Shank Letter-Sized Drill Bits. Must Contain Exactly 26 Precisely Machined Sizing Holes Corresponding To Standard Letter Sizes A Through Z. Material And Hardness - Manufactured From Heavy-Gauge, Rust-Proof Stainless Steel Or Hardened Tool Steel To Prevent Hole Enlargement Over Time. (Flimsy Aluminum, Plastic, Or Soft Mild Steel Plates Will Be Strictly Rejected). Machining And Accuracy - All Testing Holes Must Be Precision-Bored, Perfectly Round, And Strictly Burr-Free To Allow Smooth Drill Insertion Without Snagging The Flutes. Markings - Every Hole Must Have Its Corresponding Letter (A To Z) And Its Decimal Equivalent Permanently Deep-Stamped Or Laser-Etched Into The Metal. (Surface-Printed Or Painted Markings That Can Rub Off Are Completely Unacceptable). Packaging - Supplied With A Glare-Free Satin Finish In A Protective Plastic Sleeve Or Rust-Preventive Envelope. , Drills Guage Straight Shank Wire Size 1 To 60 With Guage - Type And Capacity - Precision Flat Plate Gauge Designed For Checking And Identifying Straight Shank Number-Sized (Wire Gauge) Drill Bits. Must Contain Exactly 60 Precisely Machined Sizing Holes Corresponding To Standard Number Sizes 1 Through 60. Material And Hardness - Manufactured From Heavy-Gauge, Rust-Proof Stainless Steel Or Hardened Tool Steel To Ensure Long-Term Dimensional Stability. (Flimsy Aluminum, Plastic, Or Soft Mild Steel Plates Will Be Strictly Rejected). Machining And Accuracy - All 60 Testing Holes Must Be Precision-Bored, Perfectly Round, And Strictly Burr-Free For Accurate Drill Sizing. Markings - Every Hole Must Have Its Corresponding Number (1 To 60) And Decimal Equivalent Permanently Deep-Stamped Or Laser-Etched Into The Metal. (Surface-Printed Or Painted Markings That Can Rub Off With Workshop Oil Are Completely Unacceptable). Packaging - Supplied With A Glare-Free Satin Finish In A Protective Plastic Sleeve Or Rust-Preventive Envelope. , Jigs And Fixture _Sample_-For Demonstration - Jig Sample - Type And Application - Precision Grinding Jig Designed To Be Mounted Alongside A Standard Workshop Bench Grinder. Used For Accurate Sharpening Of Standard Twist Drill Bits. Capacity - Must Securely Hold And Sharpen Straight Shank Twist Drills Ranging From 3 Mm (1/8 Inch) Up To 19 Mm (3/4 Inch) In Diameter. Adjustability - Must Feature A Fully Adjustable Angle Setting Mechanism To Accurately Reproduce Standard Drill Point Angles (Specifically 59 Degrees / 118 Degrees For General Purpose, And Adjustable Up To 135 Degrees For Hard Materials). Must Also Feature Adjustable Lip Clearance Angles. Material Construction - The Main Body, Sliding Trough, And Pivot Base Must Be Manufactured From Solid Die-Cast Aluminum Or Heavy-Duty Steel. (Cheap Plastic Jigs Will Be Strictly Rejected). Mounting - Must Include A Heavy-Duty Steel Mounting Bracket And Hardware To Secure The Jig Directly To The Benchtop Or Grinder Base. Fixture Sample - Type And Application - On/Off Switchable Permanent Magnetic V-Block Fixture. Used To Rapidly And Securely Hold Ferrous/Steel Workpieces (Flat Plates, Square Blocks, Or Round Shafts) For Drilling, Layout Marking, Or Light Surface Grinding Without Needing Physical Clamps. Magnetic Pull Force - Must Provide A Minimum Holding/Pull Force Of 40 Kgf To 60 Kgf On Flat Mild Steel Surfaces. Dimensions And Design - Nominal Dimensions Approximately 60 Mm X 50 Mm X 55 Mm. Must Feature A Precision-Machined V-Groove On The Magnetic Bottom Face (For Holding Round Stock) And A Flat Magnetic Top Face. Material Construction - Must Feature A Solid Metal Casing (Aluminum Or Cast Iron) Housing High-Power Neodymium (Ndfeb) Permanent Magnets. Mechanism - Must Feature A Heavy-Duty Rotary Switch (On/Off Knob) To Instantly Engage And Completely Disengage The Magnetic Field. Accuracy - All Working Faces (Top, Bottom, And V-Groove) Must Be Precision-Ground Absolutely Flat And Parallel To Ensure Accurate Workpiece Positioning. , Punch Hollow 5 To 12 Mm Dia. - Set Composition (8 Pieces) - Complete Set Comprising Exactly 8 Pieces Covering Diameters 5, 6, 7, 8, 9, 10, 11, And 12 Mm. Type And Design - Straight Shank Hollow Punches Featuring A Knurled Grip Body For Safe Handling. Each Punch Must Feature A Clearly Machined Side-Clearance Slot/Window. Material And Hardness - Manufactured From High-Grade High Carbon Steel (Hcs) Or Forged Alloy Steel. The Circular Cutting Edges Must Be Precision-Ground, Induction Hardened, And Tempered To Retain Sharpness. Striking Head - The Top Striking End Must Be Chamfered And Correctly Heat-Treated To Prevent Dangerous Mushrooming Or Splintering When Repeatedly Struck With A Heavy Hammer. Finish And Markings - Rust-Resistant Black-Oxidized Or Industrial Painted Finish. The Exact Diameter Size Must Be Permanently Stamped On The Shank Of Each Punch. Packaging - Supplied Neatly Organized In A Durable Canvas Tool Roll Or Custom-Fitted Plastic Storage Box. , Drift Drill 200 Mm Hardened And Black Finish - Dimensions And Type - Tapered Wedge Design Specifically Made For Ejecting Morse Taper (Mt) Shank Drills And Chucks From Machine Spindles. Overall Length Must Be Exactly 200 Mm. Material And Hardness - Manufactured From High-Grade Drop-Forged Carbon Steel Or Alloy Steel. The Tool Must Be Fully Heat-Treated, Hardened, And Tempered To Withstand Repeated Hammer Strikes Without Bending Or Mushrooming. (Cheap Soft Mild Steel Drifts Will Be Strictly Rejected). Design And Machining - Must Feature Perfectly Flat, Precision-Machined Taper Slopes For Smooth Ejection Without Scoring The Machine Spindle. The Striking End Must Be Safely Chamfered, And All Side Edges Must Be Radiused/Rounded For Safe Handling. Finish - Must Have An Industrial Rust-Preventive Black Oxide (Chemically Blackened) Finish Strictly As Per Syllabus Requirements. Standard Compliance - Dimensions And Overall Quality Should Conform To Is 3042 (Specification For Drill Drifts) Or Equivalent Bis Standards. , Trammel 30 Cm - Size And Type - Precision Engineers Trammel Set Complete With A Solid 300 Mm (30 Cm) Long Beam/Bar, Designed Specifically For Scribing Large Circles, Arcs, And Transferring Measurements On Metal Surfaces. Beam Construction - The 300 Mm Beam Must Be Manufactured From Solid Stainless Steel Or Rigid High-Grade Carbon Steel. It Must Feature A Machined Flat Face Or A Guide Groove Along Its Entire Length To Absolutely Prevent The Sliding Heads From Twisting Or Rotating During Marking Operations. (Hollow Aluminum Tubes Or Flimsy Plastic Rods Will Be Strictly Rejected). Trammel Heads And Adjustment - Must Include Two Precision-Machined, Heavy-Duty Sliding Heads With Solid Knurled Locking Screws. At Least One Of The Heads Must Feature A Spring-Loaded Fine-Adjustment Screw Mechanism For Exact Micro-Setting Of The Scribing Radius. Scriber Points - The Removable Scriber Needles/Points Must Be Manufactured From High-Grade Tool Steel Or High Carbon Steel (Hcs). The Tips Must Be Induction Hardened (Minimum Hrc 50-55) And Precision-Ground To A Sharp Point To Prevent Rapid Blunting When Marking On Mild Steel And Cast Iron. Finish - All Steel Components Must Have A Rust-Resistant Industrial Finish (Such As Bright Nickel/Chrome Plating Or Black Oxide). , Poker - 900 Mm Long - Dimensions And Application - Heavy-Duty Forge Poker With An Overall Length Of Exactly 900 Mm (Approx. 3 Feet) Designed For Stoking Forge Fires, Clearing Clinker, And Manipulating Hot Materials While Keeping The Operator At A Safe Distance From The Heat Source. Material Construction - Manufactured From Solid, Heavy-Gauge Mild Steel (Ms) Or Carbon Steel Round Bar With A Minimum Rod Diameter Of 12 Mm For Structural Rigidity. (Hollow Pipes, Scrap Construction Rebars, Or Thin Rods That Easily Bend Under Heat/Weight Will Be Strictly Rejected). Working End - The Working Tip Must Be Solid-Forged And Appropriately Tapered To A Point (Or Slightly Hooked) To Effectively Penetrate Compacted Coal And Break Up Clinkers Without Deforming. Handle Design - The Gripping End Must Feature A Securely Forged Safety Loop Handle, Or A Firmly Fitted Solid Hardwood Grip To Ensure Secure Handling And Prevent Heat Transfer To The Operators Hands. Finish - Must Be Coated With High-Temperature Resistant Industrial Black Enamel Or Rust-Preventive Black Oxide Finish. , Stake Hatchet With Leg. 300 X 200 X 20 Mm - Dimensions And Type - Heavy-Duty Hatchet Stake Designed For Sharp Bending And Folding Of Sheet Metal. Overall Dimensions Must Be Strictly 300 Mm (Working Edge Length) X 200 Mm (Height) X 20 Mm (Body Thickness). Material And Hardness - Manufactured From High-Grade Solid Cast Steel Or Drop-Forged Carbon Steel. The Top Straight Working Edge Must Be Precision-Machined, Induction Hardened, And Tempered To Resist Denting And Chipping From Mallet Or Hammer Blows. (Brittle Cast Iron (C.I.) Stakes Will Be Strictly Rejected). Shank/Leg Design - Must Feature A Robust, Square Tapered Leg (Shank) Accurately Sized And Machined To Fit Securely Into A Standard Blacksmith Anvil Hardy Hole Or A Dedicated Bench Plate Without Any Wobbling Or Rotation During Operations. Machining And Finish - The Hatchet Face/Blade Must Be Ground Perfectly Straight And Smooth To Prevent Marring, Tearing, Or Scratching The Sheet Metal Workpieces. The Non-Working Body Must Be Coated With Industrial Anti-Corrosive Enamel Paint. , Stake Grooving. 100 X 100 X 300 Mm - Dimensions And Type - Heavy-Duty Grooving Stake Designed For Forming, Interlocking, And Closing Sheet Metal Seams. Overall Body Block Dimensions Must Be Strictly 300 Mm (Length) X 100 Mm (Width) X 100 Mm (Height). Material And Hardness - Manufactured From Premium Solid Cast Steel Or Drop-Forged Carbon Steel. The Grooved Working Face Must Be Induction Hardened And Tempered To Withstand Heavy, Repeated Mallet And Hammer Strikes Without Chipping. (Brittle Cast Iron (C.I.) Stakes Will Be Strictly Rejected). Groove Design - The Top Working Surface Must Feature Multiple Precision-Machined Longitudinal Grooves Of Varying Standard Widths And Depths. Shank/Leg Design - Must Feature A Heavy-Duty, Square Tapered Leg (Shank) Precisely Machined To Fit Firmly And Securely Into A Standard Blacksmith Anvil Hardy Hole Or A Cast Iron Bench Plate Without Any Wobbling Or Rotation During Use. Machining And Finish - All Grooved And Flat Working Surfaces Must Be Precision-Ground And Polished Smooth To Prevent Scratching, Marring, Or Tearing The Sheet Metal Workpieces. The Non-Working Body Must Be Coated With Industrial Anti-Corrosive Enamel Paint. , Gauge Plug Single Ended 5 To 55 By 1 Mm. - Set Composition (11 Pieces) - Must Be Supplied As A Complete Set Of Exactly 11 Pieces Covering Sizes From 5 Mm To 55 Mm In Exact Steps Of 5 Mm. (Mandatory Included Sizes - 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, And 55 Mm). Type And Design - Single-Ended Plain Cylindrical Plug Gauges. Each Gauge Must Feature A Precision-Machined Gauging Member Securely Fitted Into A Knurled Metal Holding Handle. Material And Hardness - The Gauging Members Must Be Manufactured From Premium High Carbon High Chromium (Hchc) Steel Or En-31 Gauge Steel. They Must Be Fully Heat-Treated, Hardened (Minimum Hrc 60-62), And Sub-Zero Treated For Long-Term Dimensional Stability. Accuracy And Finish - The Gauging Surfaces Must Be Precision-Ground And Super-Lapped To A Mirror Micro-Finish To Prevent Rapid Wear. Dimensional Accuracy And Wear Allowance Must Strictly Conform To Is 3484 / Is 1118 Or Equivalent Iso Standards (Tolerance Class H7). Markings - Each Gauge Handle Must Have Its Exact Metric Size Permanently Laser-Etched Or Deep-Stamped. , Sine Bar 125 Mm. - Dimensions And Type - Precision Sine Bar With An Exact Center-To-Center Distance Of 125 Mm Between The Two Rollers. Material And Hardness - Manufactured From Premium High Carbon High Chromium (Hchc) Steel Or En-31 Gauge Steel. The Main Body And Both Rollers Must Be Fully Heat-Treated, Hardened (Minimum Hrc 60-62), And Sub-Zero Stabilized To Prevent Any Dimensional Distortion Or Warping Over Time. Machining And Accuracy - All Working Surfaces (The Top Resting Face And Both Cylinders) Must Be Precision-Ground And Super-Lapped To A Mirror Micro-Finish. Must Strictly Conform To Is 5359 (Specification For Sine Bars) For Grade A Accuracy. Roller Geometry - Both Cylindrical Rollers Must Be Of Exactly Identical Diameter And Perfectly Round. The Axes Of The Rollers Must Be Strictly Parallel To Each Other And Completely Parallel To The Top Working Surface Of The Bar To Ensure Mathematically Exact Angle Calculations. Packaging - Supplied Heavily Coated With High-Grade Rust-Preventive Oil And Securely Housed In A Custom-Fitted, Padded Wooden Storage Box To Prevent Accidental Shocks Or Scratches. , Square Engineers 6 Inch Or 15 Cm Blade - Dimensions And Type - Engineers Precision Try Square With A 150 Mm (6 Inch) Blade Length. Must Strictly Be A Knife-Edge (Beveled) Type. The Edges Of The Blade Must Be Precisely Beveled To Form A Sharp Edge To Allow For Extreme Accuracy Line-Of-Contact (Light Gap) Inspection Of 90-Degree Angles. (Standard Flat-Edge Mechanic Or Carpenter Squares Will Be Immediately Rejected). Material And Hardness - Both The Blade And The Heavy Stock (Base) Must Be Manufactured From Premium High-Grade Alloy Tool Steel Or En-31 Gauge Steel. The Entire Tool Must Be Fully Heat-Treated, Hardened (Minimum Hrc 55-60), And Stress-Relieved To Maintain Lifelong Angular Stability. Machining And Accuracy - The Blade And Stock Must Be Permanently, Rigidly Fixed Together (Or Precision-Machined From A Single Solid Forging) With Absolutely Zero Play. All Working Faces And Knife-Edges Must Be Precision-Ground And Super-Lapped. Must Conform Strictly To Grade 0 Or Grade A Accuracy As Per Is 2103 (Specification For Engineers Squares). Relief Groove - The Internal Corner Of The Stock Must Feature A Precision-Machined Undercut/Relief Groove To Accommodate Burrs Or Dust On The Workpiece Being Measured, Ensuring Flush Seating. Packaging - Must Be Supplied Heavily Coated In Rust-Preventive Oil And Housed In A Protective Velvet-Lined Wooden Or High-Impact Plastic Storage Case To Protect The Delicate Knife-Edges From Accidental Damage. , Surface Roughness Comparison Plates N1-N12 Grades - Set Composition And Range - Complete Comparator Set Covering All 12 Standard Iso Roughness Grades From Exactly N1 (Finest Lapping/Super-Finishing, Approx. 0.025 Um Ra) Through N12 (Rough Machining, Approx. 50 Um Ra). The Set Must Include Representative Specimens For Various Standard Machining Processes. Material Construction - Plates Must Be Manufactured From Solid Electro-Formed Nickel Alloy, High-Grade Stainless Steel, Or Specially Hardened Carbon Steel To Resist Wear From Repeated Tactile (Fingernail) Testing. Accuracy And Standard - The Tactile And Visual Surface Profiles Must Be Precision-Calibrated To Match Exact Roughness Average (Ra) Values. Quality And Profiles Must Conform Strictly To Is 3073 / Iso 2632 Standards For Surface Roughness Comparison Specimens. Markings - Every Individual Plate/Specimen Must Be Clearly And Permanently Labeled With Its Corresponding N-Grade (N1 To N12), Its Exact Ra Value (In Um). Packaging (Crucial) - Must Be Supplied Securely Housed In A Protective Leather Or Heavy-Duty Pvc Folding Wallet/Case. , Carbide Wear Block 1 Mm-2 Mm. - Size Composition - The Set Must Include Wear Blocks In Exactly 1.0 Mm And 2.0 Mm Thicknesses. The Rectangular Cross-Section Dimensions Must Perfectly Match Standard Slip Gauge Dimensions To Allow Seamless Stacking. Material And Hardness - Must Be Manufactured From 100% Solid Tungsten Carbide (Wc). The Material Must Offer Extreme Hardness (Approx. Hra 90+ / 1500 Hv) And Exceptional Wear Resistance. (Standard Hardened Steel Or Alloy Steel Blocks Will Be Immediately Rejected As They Do Not Qualify As Wear Blocks). Finish And Wringability - Both Measuring Faces On Each Block Must Be Ultra-Precision Lapped To An Absolute Mirror Finish. The Blocks Must Exhibit Perfect Wringing (Vacuum-Like Adhesion) Properties. Accuracy And Standard - Dimensional Accuracy, Flatness, And Parallelism Must Strictly Conform To Grade 0 Or Grade 1 As Per Is 2984 / Iso 3650 Standards For Gauge Blocks. Packaging - Must Be Supplied Safely Housed In A Cushioned Wooden Or High-Impact Plastic Storage Box With A Protective Film Of Oil To Prevent The Delicate Lapped Edges From Chipping During Transit. , Lathe Tools Bit 6 Mm X 75 Mm. - Dimensions And Type - Solid Square Tool Bit Blank. Cross-Section Must Be Exactly 6 Mm X 6 Mm (Or 1/4 Inch X 1/4 Inch) Square, With An Overall Length Of 75 Mm (3 Inches). Must Be Supplied As An Unground, Solid Square Blank Intended For Off-Hand Tool Grinding Demonstrations. Material Grade - Must Be Manufactured From Premium Cobalt-Alloyed High-Speed Steel (Hss-E). Specifically, Grade M35 (Containing 5% Cobalt) Or Grade M42 (Containing 8% Cobalt (Low-Grade Hss-M2 Or Cheap Carbon Steel Blanks Will Be Strictly Rejected). Hardness And Heat Treatment - The Entire Length Of The Tool Bit Must Be Fully Heat-Treated, Hardened, And Double-Tempered To Achieve A Minimum Hardness Of Hrc 63-66. It Must Maintain Red-Hardness During High-Speed Turning Operations On Mild Steel Or Cast Iron. Machining And Finish - All Four Longitudinal Sides Must Be Precision-Ground With Sharp, Strictly 90-Degree Square Corners. The Ends Must Be Cleanly Cut And Ground Flat. Markings - The Hss Grade (E.G., Hss-Co, M35, Or M42) Must Be Permanently Laser-Etched Or Stamped Onto The Shank Of The Tool Bit. , Lathe Tools Bit 8 Mm X 75 Mm. - Dimensions And Type - Solid Square Tool Bit Blank. Cross-Section Must Be Exactly 8 Mm X 8 Mm (Or Approx. 5/16 Inch X 5/16 Inch) Square, With An Overall Length Of 75 Mm (3 Inches). Must Be Supplied As An Unground, Solid Square Blank Intended For Off-Hand Tool Grinding Demonstrations And Lathe Turning. Material Grade - Must Be Manufactured From Premium Cobalt-Alloyed High-Speed Steel (Hss-E). Specifically, Grade M35 (Containing 5% Cobalt) Or Grade M42 (Containing 8% Cobalt) To Ensure Excellent Red-Hardness And Withstand High Temperatures During Grinding And Machining. (Standard Low-Grade Hss-M2 Or Cheap Carbon Steel Blanks Will Be Strictly Rejected). Hardness And Heat Treatment - The Entire Length Of The Tool Bit Must Be Fully Heat-Treated, Hardened, And Double-Tempered To Achieve A Minimum Hardness Of Hrc 63-66. Machining And Finish - All Four Longitudinal Sides Must Be Precision-Ground With Sharp, Strictly 90-Degree Square Corners. Markings - The Hss Grade (E.G., Hss-Co, M35, Or M42) Must Be Permanently Laser-Etched Or Stamped Onto The Body Of The Tool Bit. , Lathe Tools Bit 10 Mm X 75 Mm. - Dimensions And Type - Solid Square Tool Bit Blank. Cross-Section Must Be Exactly 10 Mm X 10 Mm (Or Approx. 3/8 Inch X 3/8 Inch) Square, With An Overall Length Of 75 Mm (3 Inches). Must Be Supplied As An Unground, Solid Square Blank Intended For Off-Hand Tool Grinding Exercises And Lathe Turning. Material Grade - Must Be Manufactured From Premium Cobalt-Alloyed High-Speed Steel (Hss-E). Specifically, Grade M35 (Containing 5% Cobalt) Or Grade M42 (Containing 8% Cobalt) To Ensure Excellent Red-Hardness And Heat Resistance During Heavy Machining. (Standard Low-Grade Hss-M2 Or Cheap Carbon Steel Blanks Will Be Strictly Rejected). Hardness And Heat Treatment - The Entire Length Of The Tool Bit Must Be Fully Heat-Treated, Hardened, And Double-Tempered To Achieve A Minimum Hardness Of Hrc 63-66. Machining And Finish - All Four Longitudinal Sides Must Be Precision-Ground With Sharp, Strictly 90-Degree Square Corners. The Ends Must Be Cleanly Cut And Ground Flat To Allow The Instructor Or Trainee To Grind Custom Rake And Clearance Angles. Markings - The Hss Grade (E.G., Hss-Co, M35, Or M42) Must Be Permanently Laser-Etched Or Stamped Onto The Body Of The Tool Bit. , Hammer Chipping 0.25 Kg With Metal Handle - Weight And Type - Welders Chipping Hammer With A Head Weight Of Exactly 0.25 Kg (250 Grams). Dual-Head Design Specifically Meant For Slag Removal In Smaw (Arc) Welding. Head Geometry - One End Of The Head Must Feature A Sharp, Tapered Cone/Point, And The Opposite End Must Feature A Flat, Sharp Chisel Edge. Head Material And Hardness - The Hammer Head Must Be Drop-Forged From High-Grade Carbon Steel (Such As C45 Or C50). Both The Pointed Tip And The Chisel Edge Must Be Correctly Heat-Treated, Induction Hardened (Hrc 45-55), And Tempered. Handle Construction (Crucial) - Must Feature An All-Metal, Heavy-Duty Handle Securely Pinned Or Integrally Forged/Welded To The Head. The Gripping Area Must Feature A Tightly Wound, Shock-Absorbing Coiled Steel Spring. This Spring Design Is Mandatory To Absorb Striking Impact (Preventing Hand Fatigue) And Dissipate Heat From Hot Welded Plates. (Wooden, Rubber, Or Plastic Handles Will Be Immediately Rejected). , Scriber 150 Mm Double Ended - Dimensions And Type - Double-Ended Engineers Scriber With An Overall Length Of Exactly 150 Mm (6 Inches). The Tool Must Feature Two Distinct Scribing Points - One Perfectly Straight Point And One Bent Point (Bent At A 90-Degree Angle). Material Construction - Manufactured From Premium High Carbon Steel (Hcs), Alloy Tool Steel, Or Featuring Brazed Tungsten Carbide Tips. Hardness And Heat Treatment - Both Scribing Points Must Be Precision-Ground To A Fine, Sharp Needle-Like Point. If Made Of Steel, The Tips Must Be Induction Hardened And Tempered To A Minimum Hardness Of Hrc 55-60. This Is Mandatory To Ensure The Tool Can Cleanly And Permanently Scratch Mild Steel Plates Without The Tip Folding Or Instantly Blunting. Grip Design - The Central Body/Shank Must Be Solid And Feature A Deeply Machined Diamond-Knurled Pattern Across Its Center Length. This Ensures A Secure, Non-Slip Grip For The Operator, Even When Handled With Oily Hands Or Heavy Workshop Gloves. Finish And Protection - The Tool Must Have A Heavy-Duty Industrial Anti-Corrosive Finish, Such As Bright Nickel/Chrome Plating Or Chemical Black Oxide. , Weld Gauge Universal Type - Type And Application - Universal Bridge Cam (Cambridge) Type Multi-Purpose Weld Measuring Gauge. Designed For Comprehensive Inspection Of Both Joint Preparation And Finished Welds. Must Be Capable Of Accurately Measuring - Angle Of Preparation (0 To 60 Degrees), Fillet Weld Throat Size, Fillet Weld Leg Length, Weld Reinforcement (Excess Metal/Crown), Depth Of Undercut, Depth Of Pitting, And Outside Misalignment. Material Construction - Must Be Manufactured From Heavy-Duty, Rust-Proof, Thick-Gauge Stainless Steel (Such As Ss 304 Or Equivalent) To Prevent Warping And Corrosion In Harsh Workshop Environments. (Flimsy Aluminum, Plastic, Or Rust-Prone Mild Steel Gauges Will Be Strictly Rejected). Markings And Graduations - All Measurement Scales And Numerals Must Be Deeply Laser-Etched Or Permanently Engraved Into The Metal. Must Feature Dual-Reading Scales (Both Metric In Mm And Imperial In Inches). (Surface-Printed, Screen-Printed, Or Sticker-Based Markings That Will Rub Off With Oily Hands Or Solvents Are Completely Unacceptable). Mechanism And Hardware - Must Feature A Smooth-Moving, Precision-Machined Rotating Pointer/Cam. The Gauge Must Include A Heavy-Duty, Knurled Thumb Locking Screw To Securely Hold Measurements In Place For Accurate Reading. The Main Pivot Joint Must Have Absolutely Zero Loose Play. Finish - Must Possess A Glare-Free Satin Or Brushed Stainless Finish For Easy Readability Under Harsh Welding Workshop Lighting. All Outer Edges Must Be Deburred And Smooth For Safe Handling. Packaging - Supplied Safely Housed In A Protective Synthetic Leather Pocket Pouch Or A Rigid, Custom-Fitted Plastic Storage Case, Preferably With A Pocket Instruction Manual. , Multi Angle Magnetic Clamp Set _Metal Base 18 X10 X 10 Cm_ - Dimensions And Type - Heavy-Duty Multi-Angle Magnetic Welding Clamp Set Of 6. The Primary Magnetic Holding Base Must Have Overall Dimensions Of Approximately 180 Mm X 100 Mm X 100 Mm (18 X 10 X 10 Cm).Holding Angles - The Metal Casing Must Feature Precision-Machined And Perfectly Flat Angled Edges To Securely And Accurately Hold Workpieces At Standard Welding Angles Of 45 Degrees And 90 Degrees And 135 Degrees.Material Construction And Housing - The Magnet Core Must Be Completely And Tightly Encased In A Heavy-Duty Solid Metal Base Or Housing.Magnetic Pull Force - Must Utilize High-Strength Industrial Magnets Providing A Minimum Magnetic Pull And Holding Force Of 25 Kg.Face Design - The Gripping Edges Should Ideally Feature A Central V-Groove Or Slight Relief To Allow Secure Multi-Point Clamping Of Both Flat Metal Plates And Round Steel Pipes Or Tubes.Finish - The Solid Metal Side Plates Must Be Coated With A Highly Heat-Resistant And Anti-Corrosive Industrial Powder Coating. , Swagging And Flooring Tool Kit 45 Degree Tubing 1By8 To 3By4 Inch - Type And Capacity - Complete Heavy-Duty Swaging And 45-Degree Flaring Tool Kit Designed For Working With Soft Copper, Aluminum, Brass, And Thin-Walled Mild Steel Tubing. Must Strictly Accommodate Tube Outer Diameters (O.D.) Ranging From 1/8 Inch Up To 3/4 Inch (Including Standard Intermediate Sizes Like 3/16 Inch, 1/4 Inch, 5/16 Inch, 3/8 Inch, 7/16 Inch, 1/2 Inch, And 5/8 Inch). Set Composition - The Kit Must Include A Heavy-Duty Screw-Type Flaring Yoke With A 45-Degree Cone, The Corresponding Multi-Hole Holding Bars (Die Blocks), And A Complete Set Of Interchangeable Swaging Punch Adapters Matching The Required Tube Sizes. Material Construction - The Yoke Body, Holding Bars, And Swaging Adapters Must Be Manufactured From Premium Drop-Forged Carbon Steel Or Alloy Steel For Maximum Strength. (Cheap Die-Cast Zinc, Aluminum, Or Brittle Cast Iron Tools That Crack Under Compression Will Be Strictly Rejected). Cone And Thread Quality - The 45-Degree Flaring Cone Must Be Precision-Machined, Hardened, And Polished To Produce Smooth, Uniform, Leak-Proof Flares Without Galling Or Tearing The Tube Walls. The Main Forcing Screw Must Feature Heavy-Duty Acme Or Square Threads To Withstand High Turning Torque Without Stripping. Grip And Finish - The Holding Bars Must Feature Heavily Serrated Or Precision-Machined Grip Holes To Firmly Hold The Tubing Without Crushing It Or Allowing It To Slip During The Swaging/Flaring Process. All Steel Components Must Have A Rust-Resistant Industrial Finish (Chrome Plated Or Black Oxide). Packaging - Must Be Supplied Neatly Organized In A Heavy-Duty, Blow-Molded Plastic Storage Case Or A Metal Box With Designated, Perfectly Fitted Compartments For All Adapters And Components To Prevent Loss In The Workshop.