supply of set of four items.set of four items.,single-ended open jaw adjustable wrenches, nominal size 300 mm, asper is :6149-1984, grade 1 . make: taparia (or) inder(or) stanley (or) yato [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , long nose pliers insulated with thick c.a. sleeve confirming to is5658-1990 having long nose of len gth 160 mm of make taparia,stanley & dewalt or similar. [ warranty period: 30 months after the date of deliver y ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , cylinder key for opening/closing of co2 gas cylinders .material spec: stainless steel. [ warranty p eriod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , cylinder key for opening/closing of argon cylinders .material spec: stainless steel. [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited