Grab Hook, Hook Type Grab Hook, Working Load Limit 4,100 lb, Lifting Capability For Lifting, Grade 80, Material Alloy Steel, Hook Opening Width 3/8 in, Usable Length 1 3/4 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 5/16 in, Markings None, Compatible Chain Grade 80, Compatible Chain Trade Size 1/4 in