Straight Chain, Chain Type Proof Coil Chain, Material Carbon Steel, Lifting Capability Not for Lifting, Working Load Limit 4,500 lb, Chain Grade 30, Trade Size 1/2 in, Link Inside Length 1 3/4 in, Link Type Straight, Link Inside Width 3/4 in, Overall Length 40 ft, Links per Foot 7, Compatible Fitting Thickness 1/2 in, Includes Hook No Hook Included, Hook Type Included Not Applicable, Finish Zinc Plated, Material Thickness 31/64 in, Weight per Foot 2.38 lb, Welding Type Welded, Standards NACM