CMI 5/8" Stainless Steel Dual Pulley (3" Sheave) with Becket RP106D
Now there's a pulley that's as serious about rescue as you are! We're talking 20,000 pound breaking strength with 5/8" rope capability. The extra large rigging point accepts the largest carabiners--two of them. The extra wide, skirted sideplates fully enclose 5/8" rope, keeping it away from rock or building. 3" inch sheave diameter, with needle bearings and stainless steel axle. Here is a hard core pulley you can stake your life on.