Pulley Block Product Type Pulley Block Pulley Type Swivel Mount Type Upright Mount Working Load Limit 685 lb Operation Pulling Attachment Type Swivel Eye Compatible Rope Diameter 1/4 in Sheave Inside Diameter 2 in Sheave Depth 7/16 in Sheave Outside Diameter 2 1/2 in Compatible Rope Type Wire Rope Bearing Type Sleeve Attachment Inside Diameter 5 in Housing Material Carbon Steel Mounting Hole Diameter 7/8 in Number of Grooves 1 Sheave Material Steel Overall Height 5 in