Grab Hook, Hook Type Grab Hook, Working Load Limit 4,700 lb, Lifting Capability Not for Lifting, Grade 70, Material Carbon Steel, Hook Opening Width 1/2 in, Usable Length 2 1/8 in, Eye Inside Diameter Not Applicable, Eye Inside Height Not Applicable, Thread Size Not Applicable, Shank Diameter Not Applicable, Shank Length Not Applicable, Clevis Inside Width 3/8 in, Attachment Type Clevis, Clevis Pin Diameter 7/16 in, Markings None, Compatible Chain Grade 70, Compatible Chain Trade Size 5/16 in