Pulley Block Product Type Pulley Block Pulley Type Swivel Mount Type Not Applicable Working Load Limit 2 430 lb Operation Pulling Attachment Type Shackle Compatible Rope Diameter 9/16 in Sheave Inside Diameter 1 31/32 in Sheave Depth 3/4 in Sheave Outside Diameter 2 3/8 in Compatible Rope Type Fibrous Rope Bearing Type Sleeve Attachment Inside Diameter 5/8 in Housing Material 316 Stainless Steel Mounting Hole Diameter Not Applicable Number of Grooves 1