Sheave, Operation Pulling, Working Load Limit 550 lb, Compatible Rope Diameter 1/4 in, Compatible Shaft Diameter 5/16 in, Bearing Type Not Applicable, Inside Diameter 5/16 in, Outside Diameter 3/4 in, Number of Grooves 1, Compatible Rope Type Fibrous Rope, Bearing Seal Type Not Applicable, Material Thermoplastic, Overall Depth 3/8 in, Finish Plain. This item has been restricted from sale in the following state (s): []