The ZIVA® SL RPU Grip Disc wraps our precision cast iron weight disc in ultra-high durability RPU that combines the renowned ruggedness of urethane with the slight bounce of rubber, making it perfect for protecting the weights as well as the surrounding gym. Made to fit any standard Olympic bar, the SL RPU Grip Disc is scratch-, wear-, and rust-resistant and features beveled edges, large weight ID numbers, and handles that make loading and unloading easy.