Connecting Link Grade 100 Link Type Hammerlock Overall Length 5 13/16 in Material Alloy Steel Overall Width 4 in Product Type Connecting Link Compatible Chain Trade Size 5/8 in Trade Size 5/8 in Working Load Limit 20 600 lb Finish Plain Number of Coupling Links Not Applicable Lifting Capability For Lifting Inside Length 4 1/4 in Standards ASTM A952 Fabrication Forged Weight 3.1 lb Inside Width 1 11/32 in Compatible Chain Grade 80 100 Material Thickness 25/32 in