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