The CAP 2-Inch Olympic Curl Bar develops upper arm mass, strength and definition. This essential weight training tool isolates and intensifies development of the bicep and forearm muscles while decreasing discomfort to the elbows and wrists. This CAP Barbell bar is made of solid steel with a high-polish chrome finish. It has knurled hand grips and rotating sleeves. This Olympic weight curl bar is designed to accommodate weights with a 2-inch center hole and has a maximum weight capacity of 200 pounds.