2XL Lifting Chain Sets with CollarsWeight Training Chains Build real strength with our steel weight training chains. Theyre perfect for powerlifting, bodybuilding, and progressive overload. The chains work by adding variable resistance, making every lift more intense. As the barbell rises, each rep becomes a challenge, building explosive power and breaking through plateaus in your squat, bench press, and deadlift. These heavy chains come complete with collars attached to each. Why Use