Shank Hook, Hook Type Shank Hook, Working Load Limit 10,000 lb, Lifting Capability Not for Lifting, Grade 40, Material Alloy Steel, Hook Opening Width 1 3/8 in, Usable Length 3 1/4 in, Eye Inside Diameter Not Applicable, Eye Inside Height Not Applicable, Thread Size Not Applicable, Shank Diameter 1 5/32 in, Shank Length 3 1/4 in, Clevis Inside Width Not Applicable, Attachment Type Unthreaded Shank, Clevis Pin Diameter Not Applicable, Compatible Chain Grade 43