supply of heavy duty precision grade revolving 3 jaw lifting rail wheel , heavy duty precision grade revolving 3 jaw lifting rail wheel disc frame c45 fl 50x20mm, b ush material- en 31, sling chain 1 set zinc plating with accessories with. bolt dimension - 16 mm high tensi e grade . sling chain capacity- 1.5 ton .detailed specification is as per attached sketch. note:- sling chain l oad test certificate and all material (as per attached sketch)chemical composition test certificate from the c entral govt. authorized lab./ nabl lab. must be submitted at the time of delivery of material. make- ok hyt /jyoti focus or similar. [ warranty period: 30 months after the date of delivery ] ]