Sling Hook Hook Type Sling Hook Working Load Limit 4 000 lb Lifting Capability For Lifting Grade 100 Material Carbon Steel Material Thickness 1/32 in Hook Opening Width 1 5/8 in Usable Length 4 3/4 in Overall Width 4 in Eye Inside Diameter 1 1/4 in Eye Inside Height 1 1/4 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