Sheave, Operation Lifting, Pulling, Working Load Limit 1, 550 lb, Compatible Rope Diameter 5/16 in, Compatible Shaft Diameter 3/4 in, Bearing Type Sleeve, Inside Diameter 3/4 in, Outside Diameter 3 1/2 in, Number of Grooves 1, Compatible Rope Type Wire Rope, Bearing Seal Type Open, Material Steel, Overall Depth 11/16 in, Finish Zinc Plated. This item has been restricted from sale in the following state (s): []