Self-Locking Hook Hook Type Self-Locking Hook Working Load Limit 22 600 lb Lifting Capability For Lifting Grade 100 Material Alloy Steel Hook Opening Width 2 3/8 in Usable Length 13 1/2 in Overall Width 6 1/2 in Shank Diameter Not Applicable Shank Length Not Applicable Clevis Inside Width Not Applicable Attachment Type Swivel Clevis Pin Diameter Not Applicable Compatible Chain Grade 100 Compatible Chain Trade Size 5/8 in Minimum Operating Temperature Not Applicable