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