Slip Hook Hook Type Slip Hook Working Load Limit 6 000 lb Lifting Capability For Lifting Grade 80 Material Alloy Steel Material Thickness 5/8 in Hook Opening Width 1 1/4 in Usable Length 6 1/2 in Eye Inside Diameter 1 3/4 in Eye Inside Height 1 3/4 in Thread Size Not Applicable Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Swivel Clevis Pin Diameter Not Applicable Markings None Compatible Chain Grade 80