Self-Locking Hook Hook Type Self-Locking Hook Working Load Limit 22 600 lb Lifting Capability For Lifting Grade 100 Material Alloy Steel Hook Opening Width 2 3/8 in Usable Length 13 in Eye Inside Diameter 2 13/32 in Eye Inside Height 2 in Thread Size 5/8 in Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Swivel Clevis Pin Diameter Not Applicable Compatible Chain Grade 100 Compatible Rope Diameter 5/8 in