Sling Hook Hook Type Sling Hook Working Load Limit 5 300 lb Material Alloy Steel Material Thickness 1 3/8 in Hook Opening Width 1 3/8 in Overall Length 4 in Usable Length 4 in Overall Width 1 3/4 in Eye Inside Diameter 1 9/16 in Eye Inside Height 4 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