Olympic Chromed Steel Bar Made of chromed steel, your barbell has a sleek, professional look and is built to last Textured, Knurled Hand Grips A textured handle provides additional safety as it promotes better grip on your barbell (2) Olympic Spring Clip Collars Included Use the included spring clip collars to securely place your own Olympic-sized weight plates onto your barbell Holds Most Olympic (2") Weight Plates Your Weider Olympic Curl Bar will accommodate most Olympic weight plates, which have a 2-inch hole 310 lb. Maximum Bar Weight Use your favorite Olympic-sized weight plates (not included) for an added challenge Model #: WOCB11