Slip Hook Hook Type Slip Hook Working Load Limit 4 000 lb Lifting Capability For Lifting Grade 100 Material Carbon Steel Material Thickness 5/8 in Hook Opening Width 1 5/8 in Overall Length 8 1/4 in Usable Length 6 1/2 in Overall Width 4 in Eye Inside Diameter 1 3/4 in Eye Inside Height 1 1/2 in Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Swivel Clevis Pin Diameter Not Applicable