supply of four legged alloy steelfour legged alloy steel,four legged alloy steel, dia. 12mm chain sling grade 80, effective length = 3m, swl = 10. 5 ton, as per is: 2760 with master link dia. 45mm x id 220mm, and intermediate link of dia. 25mm x il 1 00mm x iw 55mm having connected with joining link of dia. 16mm x 60mm x 40mm. with forged steel ey e hook at bottom with safety latch, throat opening (j) = 40mm as per is:3822. material test certificate (c hemical & physical properties) and load test certificate required from oem/nabl approved lab. mandatory dish approved competent person certificate to be provided in form-11 format. warranty certificate requir ed as per irs conditions. [ warranty period: 30 months after the date of delivery ] ]