supply of single sheave pulley block wheelsingle sheave pulley block wheel,single sheave pulley block, wheel size 3 1/2 inches and groove size 1/2 inches, ms body and fiber (pvc type) snatch type for drawl of contact catenary wire, hook on top. [ warranty period: 30 month s after the date of delivery ] ] , single sheave pulley block 6 x 1 groove steel with hook on top (hook as per is 15560: 2005), suitable with load capacity 3 ton. ( make : im, mahadev, pec, srec or similar ) is 13156 (1991) fo r sheave pulley blocks & asme b30. 9-2021 for steel wire rope sling. load test certificate from govt./nabl approved lab to be submitted at the time to delivery. [ warranty period: 30 months after the date of deli very ] ] , single sheave pulley block wheel size 3-1/2 x 1/2 grooved steel with hook on to p (hook as per is 15560: 2005) load of capacity 2.5 tonne as per requirement and quality of st andard.( make : im, mahadev, pec, srec or similar ) is 13156 (1991) for sheave pulley blocks & asme b 30. 9-2021 for steel wire rope sling. load test certificate from govt./nabl approved lab to be submitted at the time to delivery. [ warranty period: 30 months after the date of delivery ] ]