Sling Hook Hook Type Sling Hook Working Load Limit 44 000 lb Lifting Capability For Lifting Grade 100 Material Alloy Steel Material Thickness 1 1/32 in Hook Opening Width 4 1/4 in Usable Length 12 1/2 in Overall Width 10 1/4 in Eye Inside Diameter 3 1/2 in Eye Inside Height 3 1/2 in Thread Size Not Applicable Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Eye Clevis Pin Diameter Not Applicable