RopeFit Weight Lifting Steel Chains 28 to 60lbs Weights Vary From 28 to 60lbs Per Set. Use Drop Down To Select Desired Weight Ships USPS priority 1-3 day delivery & and to APO/FPO addresses Your choice of 1/2" or 5/8" Rust Resistant Galvanized Steel that also come with smaller 3/16 chains to wrap through the large chains to ideally accommodate the length of motion of the exercise (whether it be a bench, squat, etc.) Progresive Resistance Training Increase Your Top End Strength We do not carry clamping collars - They defeat the purpose of progressive resistance. See below for more info.