Barbells Fixed barbells are available in straight or EZ curl bars that are chrome plated. They are made with rubber or cast plates and a urethane coated steel endcap in conjuction with a recessed 5/8" hardened HexBolt which is treated with a proprietary locking compound. Available in 5lb. increments from 20 to 115 lbs. Precision Castings - High grades of cast iron and tighter tolerances lessen the chance of loosening, (smoother surfaces, precise holes, top quality paint & rubber materials.) Bolting Method - A 5/8" Hex Bolt is used instead of conventional Allen Bolt methods, allowing much greater applied torque, resulting in better holding power. A proprietary locking compound is used on the threads to further prevent loosening. Urethane Coated Steel End Plates - These are used on all dumbbells and fixed barbells. This design, when tightened, actually bonds to the plates, which eliminates turning and also prevents loosening. Recessed Numbering System - Conventional raised numbering systems tend to dent and pop off or peel off creating a maintenance nightmare. With recessed numbers, and a high strength adhesive, this is eliminated. NOW AVAILABLE Urethane Barbells