Pulley Block Product Type Pulley Block Pulley Type Swivel Mount Type Not Applicable Working Load Limit 880 lb Operation Pulling Attachment Type Shackle Compatible Rope Diameter 7/16 in Sheave Inside Diameter 1 5/16 in Sheave Depth 17/32 in Sheave Outside Diameter 1 9/16 in Compatible Rope Type Fibrous Rope Bearing Type Sleeve Attachment Inside Diameter 11 mm Housing Material 316 Stainless Steel Mounting Hole Diameter Not Applicable Number of Grooves 1