Pulley Block Product Type Double Pulley Block Pulley Type Mounted Mount Type Upright Mount Working Load Limit Not Rated Operation Lifting Pulling Attachment Type Bolt-On Compatible Rope Diameter 1/4 in Sheave Inside Diameter 2 17/32 in Sheave Depth 17/32 in Sheave Outside Diameter 3 1/4 in Compatible Rope Type Wire Rope Bearing Type Sleeve Attachment Inside Diameter Not Applicable Housing Material Steel Mounting Hole Diameter 7/32 in Number of Grooves 2 Sheave Material Steel