RESCUE PULLEYS These pulleys are the strongest aluminum snatch block type pulleys. Designed for ropes up to 5/8" diameter. Fitted with Oilite or sealed bearings and rotating alloy aluminum sideplates. Triangular rigging hole accepts up to three 13mm carabiners. Can use RT Big Hook carabiner as becket rigging point for mechanical advantage hauling systems. Meets NFPA /ANSI/OSHA strength specifications. Strength: 10,000 lbf. WLL: 1,000 lbs. Dimensions: 7" X 3" Pitch Dia.: 2.3" Weight: 14 oz. Color: Orange