supply of 4-leg heavy duty wire rope with slings of capacity swl-60 tonne at 0 degree & 50 tonne at 45 degree, each sling of 15 tonne x 4150 mm effective length (length from top of the ring to bottom hook) with master & intermediate rings at one end as per is 2762-1,1982 and hooks at other end as per is 3822/1966, specifications: 1. for wire rope as per is 2266/2002. 2. master ring a type oblong, b. dimension width (id) 250 mm, length (il) 450 mm, dia 80 mm. 3. intermediate ring: a. type oblong b. dimension width (iw) 150 mm, length (il) 250 mm, dia 50 mm 4. wire rope dia: 38 mm, 5. hook capacity: 15 tonnes, hook opening: 80 mm (with out safety latch). effective length: 4150 mm with govt. approved load test certificate. make: m/s. simplex or equivalent.