Sling Hook Hook Type Sling Hook Working Load Limit 6 400 lb Lifting Capability For Lifting Grade 100 Material Alloy Steel Hook Opening Width 1 1/8 in Overall Width 4 in Eye Inside Diameter 1 1/4 in Eye Inside Height 1 1/4 in Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Eye Clevis Pin Diameter Not Applicable Markings Deformation Markings Maximum Angle Markings Compatible Chain Grade 100