Grab Hook Hook Type Grab Hook Working Load Limit 16 420 lb Lifting Capability Not for Lifting Grade 70 Material Alloy Steel Material Thickness 25/32 in Hook Opening Width 5/8 in Overall Length 5 3/4 in Usable Length 3 1/4 in Overall Width 3 1/2 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 5/8 in Attachment Type Clevis Clevis Pin Diameter 5/8 in