3223BC, 2", Zinc, Single Latching Swivel Hook Pulley, Designed For Use With Rope Or Cord In Indoor & Outdoor Applications, Die-Cast Sheave, Life Lube Alloy Bearing, Latch: Self Latching, Swivel Eye To Eliminate Tangling, Removable Axle & Sheave For Easier Rigging, Boxed Loose.