This curl bar is made of solid steel, with chrome plated surface, providing excellent corrosion resistance and oxidation resistance. The curling bar is more wrist friendly than a straight bar. The ergonomic design reduces the pressure on the wrist. The T-nuts provide you the utmost weight lifting safety by securing the weight tightly onto the bars. This barbell is intended for use with standard weight plates that have a 1 inch center hole. Your best fitness partner Your fitness partner COMFORTABLE CURVED SHAFT: The ergonomic curved design puts the hand in a more comfortable position, effectively reduce the pressure in the wrist and forearm, and can be used by beginners and professionals alike. SUPERIOR SPECS - The length of the bar is 47 inches, 15 mm diameter.High quality heavy duty solid steel, has the characteristics of high load-bearing capacity and flexibility, Our strength training bars can hold 220lbs weight capacity. HEAVY-DUTY STEEL: Our steel rods feature hardened nickel plating for good corrosion and oxidation resistance, Comes with 2 pcs Anti-slips swivel steel clamps to hold 1" weight plates. 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 and tear your skin, increase the safety of sports and ensure comfort. EXERCISE MULTI-POSITION MUSCLES: Our curl bar is helpful for biceps, triceps, abdominal muscles, etc. You can also cooperate with the fitness bench for training, and assist in the exercise of shoulder, back and leg muscles.