Pulley Block, Product Type Pulley Block, Pulley Type Swivel, Mount Type Upright Mount, Working Load Limit 525 lb, Operation Pulling, Attachment Type Swivel Eye, Compatible Rope Diameter 3/16 in, Sheave Inside Diameter 1 in, Sheave Depth 7/16 in, Sheave Outside Diameter 1 1/2 in, Compatible Rope Type Wire Rope, Bearing Type Sleeve, Attachment Inside Diameter 5/8 in, Housing Material Carbon Steel, Mounting Hole Diameter 5/8 in, Number of Grooves 1, Sheave Material Steel, Overall Height 3 1/4 in