Sling Hook Hook Type Sling Hook Working Load Limit 20 000 lb Lifting Capability For Lifting Grade 100 Material Carbon Steel Material Thickness 1 1/4 in Hook Opening Width 3 1/4 in Usable Length 10 1/8 in Overall Width 8 1/4 in Eye Inside Diameter 2 27/32 in Eye Inside Height 2 7/8 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