S-Hook Hook Type S-Hook Working Load Limit 325 lb Lifting Capability For Lifting Grade 80 Material Alloy Steel Material Thickness 5/16 in Hook Opening Width 3/4 in Overall Length 3 1/8 in Usable Length 2 3/4 in Overall Width 2 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 Not Applicable Attachment Type S-Hook Clevis Pin Diameter Not Applicable