Pulley Block Product Type Pulley Block Pulley Type Mounted Mount Type Upright Mount Working Load Limit 1 100 lb Operation Pulling Attachment Type Bolt-On Compatible Rope Diameter 3/8 in Sheave Inside Diameter 1 5/32 in Sheave Depth 11/16 in Sheave Outside Diameter 1 9/16 in Compatible Rope Type Wire Rope Bearing Type Sleeve Attachment Inside Diameter Not Applicable Housing Material 316 Stainless Steel Mounting Hole Diameter 3/16 in Number of Grooves 1 Sheave Material Nylon