Heavy Duty Chrome SteelOur barbell is made of heavy-duty steel with a chrome finish. The capacity can be increased to 480 lbs. The ergonomic design keeps storage easy, suitable for home gyms. | Star-lock Collars & Rubber RingsWeight plates are secured with star-lock collars to prevent them from sliding off. Included 4 rubber rings to increase friction and a fixed-weight plate when assembling. | 1-inch DiameterOur weight bar is designed for use with 1" diameter weight plates. To use our barbell, you can choose any weight plate with 1-inch center holes. | Diamond knurled handlesWith a non-slip grip textured surface, the straight barbell 60 inch allows your hand to grip the bar securely and conveniently when lifting. |