supply of supply of light weight alloy spanner double ended. specification for special spanner for fish plate bolts confirming to jus: 4835 or equivalent. double open ended with 15 degree angle, size 36mm x 41mm at either end, length 680 mm(min) and 760mm (max), manufactured by forging process with black phosphate finishing, heat treatment with controlled oil bath process hardness of final product- 380-400bhn, approx weight 1300gm plus or minus 5%, capacity with 500nm torque without breakage as per schedule of requirements 9specification attached)supply of light weight alloy spanner double ended. specification for special spanner for fish plate bolts confirming to jus: 4835 or equivalent. double open ended with 15 degree angle, size 36mm x 41mm at either end, length 680 mm(min) and 760mm (max), manufactured by forging process with black phosphate finishing, heat treatment with controlled oil bath process hardness of final product- 380-400bhn, approx weight 1300gm plus or minus 5%, capacity with 500nm torque without breakage as per schedule of requirements 9specification attached),light weight alloy spanner double ended. specification for special spanner for fish plate bol ts confirming to jus: 4835 or equivalent. double open ended with 15 degree angle, size 36mm x 41mm at either end, length 680 mm(min) and 760mm (max), manufactured by forging process with black phosphat e finishing, heat treatment with controlled oil bath process hardness of final product- 380-400bhn, appro x weight 1300gm plus or minus 5%, capacity with 500nm torque without breakage. [ warranty period: 30 months after the date of delivery ] ] sse/p-way/cpk, nfr assam 25.00 numbers sse/p-way/hji, nfr assam 35.00 numbers