supply of 1) 12 mm dia alloy 2) four leg chain1) 12 mm dia alloy 2) four leg chain,12 mm dia alloy steel gr - 80 four legged chain sling with main bull ring of 36 mm dia x 160 mm id eyering of 28 mm dia x 100 mm id and eye hook at free ends effective length 03meters , swl 10to nes at 0 - 90 degree.hook opening j - 75 mm with proof load test certification of oem. [ warranty period: 30 months after the date of delivery ] ] , four leg chain sling of length 3.5 meter, made from 16 mm dia, alloy steel grade t chain ?tte d with master link of size 56 x 275 x 140 on top and 8 ton capacity eye hook on the bottom attached with i ntermediate link and connecting link both on top and bottom, for the capacity of swl 16.8 tomn and proof l oad 33.6 ton . chain sling as per is : 2760 and link chain as per is : 9215/6216 along with test certi?cate fo rm goverment approved test house for swl and proof load. make : oeci/asian chain industries/asahi o r equivalent. make/brand: rstc [ warranty period: 30 months after the date of delivery ] ]