Acme 40-201 Trailer Safety Chains - Six (6) Chains - Each Chain is 66" Long with S Hooks on Each End - Made in USA 6 Pieces of heavy duty SAE Class III 1/4" Safety Chain Each Safety Chain is 66" long and comes with S Hooks on both ends Made for Gross loads of up to 5000 lbs. Made in the USA Zinc plated to minimize rusting. Each chain weighs 4.35 lbs.