Pulley Block Product Type Lead 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 7/8 in Sheave Depth 17/32 in Sheave Outside Diameter 2 5/32 in Compatible Rope Type Fibrous Rope Bearing Type Ball Attachment Inside Diameter Not Applicable Housing Material Nylon Mounting Hole Diameter 1/4 in Number of Grooves 1 Sheave Material Carbon Fiber