I use nylon slings all the time at work with a 75 ton crane and they all have three ratings.
1.vertical-normal-30,000
2.basket-double-60,000
3.choker-@80% of vertical-24,000


------------------
Kevin
00' Super Black SE 5 speed
31" BFG M/T's, ARB, Rancho RSX's
superblackxterra.tripod.com



[This message has been edited by gearhead1972 (edited 02-23-2001).]