Cemco Olympic Bars are made from Fatigue-Proof, Ground and Polished, 30mm Steel with a 1200 lb. test to inhibit bending. Self-Lubricating, Nylatron Bushings are used to absorb shock and give consistent rotation through years of usage. A shoulder bolt and proprietary "Snap-Ring" design is used to fix rotating ends to shaft, torqued to 130 p.s.i. and finished with locking compound. Cemco Olympic Bars come in Black Oxide and our innovative HARD Chrome finish. Bar sizes include 7ft., 5ft. and Olympic, E-Z Curl Bars. E-Z Curl Bars come in 52" in length, assuring to fit on all standard racks.