Supply Of Single Sheave Pulley Block 3 1/2 X 1/2 Fiber Groove Of Contact / Catenary Wire The Complete Block Including Head Fittings Shall Withstand A Proof Load Equal To Twice The Safe Working Load Swl Capacity 2.5 Tons. Conform To Is 1875 1992. Make :- Iep, Sst Or Similar With Load Test Certificate Note :test Certificate Should Be Submitted From Government Authorized Testing Agencies.
