Sling Hook Hook Type Sling Hook Working Load Limit 2 600 lb Material Alloy Steel Material Thickness 1 1/8 in Hook Opening Width 1 in Overall Length 3 3/8 in Usable Length 3 3/8 in Overall Width 1 5/8 in Eye Inside Diameter 1 7/32 in Eye Inside Height 3 3/8 in Thread Size Not Applicable Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Direct Connect Clevis Pin Diameter Not Applicable Markings None