Excavator Hook Hook Type Excavator Hook Working Load Limit 6 600 lb Material Steel Material Thickness 1 3/8 in Hook Opening Width 1 1/4 in Overall Length 5 3/4 in Usable Length 5 3/4 in Overall Width 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 Not Applicable Attachment Type Weld-On Clevis Pin Diameter Not Applicable Markings None