Pulley Block Product Type Pulley Block Pulley Type Swivel Mount Type Upright Mount Working Load Limit 600 lb Operation Pulling Attachment Type Swivel Eye Compatible Rope Diameter 3/16 in Sheave Inside Diameter 1 1/2 in Sheave Depth 7/16 in Sheave Outside Diameter 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 2 Sheave Material Steel Overall Height 4 1/4 in