Grab Hook Hook Type Grab Hook Working Load Limit 12 000 lb Lifting Capability For Lifting Grade 80 Material Alloy Steel Hook Opening Width 5/8 in Usable Length 3 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 5/8 in Attachment Type Clevis Clevis Pin Diameter 9/16 in Markings None Compatible Chain Grade 80 Compatible Chain Trade Size 1/2 in