UPGRADED SILENT BEARINGS: Extra thick brass bushings andbearings in the sleeves makes for buttery smooth rotation.bearings allow for a smoother, quieter spin and a more reliable turnover at maximum loads.COMFORTABLE CURVED SHAFT: Thecurved design puts the hand in a more comfortable position, effectively reduce thein the wrist and forearm, and can beby beginners and professionals alike.HEAVY-DUTY CHROME STEEL: Our steel rods feature hardened nickelfor goodand oxidation resistance. High quality heavy duty solid steel, has the characteristics of high load-bearing capacity and flexibility, Our strengthbars can hold 800lbs weight capacity.ANTI-SLIP & COMFORT: The diamond-shaped knurls are designed to provide you with excellent grip, slip resistance, and the depth of the knurl is just right, so it won't be too hard andyour skin. Two spring rings are provided for quick weight change.EXERCISE MULTI-POSITION MUSCLES: Our EZ curl bar is helpful for biceps, triceps,muscles, etc. You can also cooperate with the fitness bench for training, and assist in the exercise of shoulder,and leg muscles.SUPERIOR SPECS & 2 YEARS UNCONDITIONAL WARRANTY: The length of the olympic EZ bar is 47 inches, Compatible with 2" Olympic boards. We offer a 2-year warranty unconditionally, and we are confident in the quality of our products, each of barbell curl bar is rigorously tested.