supply of 4 leg (multi) twin path slings4 leg (multi) twin path slings,4 leg (multi) twin path slings with check fast system and overload indicators of 20t swl, 5.25 mtrs length as per american s tandard-ansi/asme b30-9 and international standard iso-4878 of make m/s. kryfs or its equivalent in m/s slingset / samson / green field / usha martin along with the following facilities.1) polyester twin path sling having 20 ton capacity master o-ring with 1.5 metres circumfere nce length. 2) polyester twin path sling having 10 ton capacity sub o ring of 01 metre circumference length. 3) each sub o ring is fitted w ith 2 numbers of twin path slings with check fast system, overload indicators, 5 ton capacity each 4 meters length effective and each sling i s to be fitted with velcro type anti abrasive sleeve 500 mm. 4) each sling is to be fitted with 10 ton capacity of d shackles with eye hook. 5) all touching parts must be stitched with anti abrasive sleeves. material supply to be along with load test certificate [ warranty period: 30