The American Barbell Sport Rubber Bumper Plates, boasting a standard diameter of 450mm, feature premium stainless steel inserts that facilitate effortless bar loading. Designed to excel in various training programs, including Olympic weightlifting, these plates are meticulously engineered to offer minimal bounce and exceptional durability – qualities seldom seen at this price range. Their sturdy construction positions them as an invaluable addition to both commercial gyms and home fitness setups, guaranteeing unwavering performance during intense workouts.