Pulley Block, Product Type Pulley Block, Pulley Type Mounted, Mount Type Side Mount, Upright Mount, Working Load Limit 1,550 lb, Operation Pulling, Attachment Type Bolt-On, Compatible Rope Diameter 5/16 in, Sheave Inside Diameter 3 in, Sheave Depth 5/8 in, Sheave Outside Diameter 3 1/2 in, Compatible Rope Type Wire Rope, Bearing Type Sleeve, Attachment Inside Diameter Not Applicable, Housing Material Carbon Steel, Mounting Hole Diameter 1/4 in, Number of Grooves 1, Sheave Material Steel