Grab Hook Hook Type Grab Hook Working Load Limit 4 300 lb Lifting Capability For Lifting Grade 100 Material Alloy Steel Hook Opening Width 3/8 in Usable Length 2 3/8 in Overall Width 2 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 3/8 in Markings None Compatible Chain Grade 100