Experience the pinnacle of strength training with the set of 2 Signature Fitness Standard Coded Olympic Weight Plates.Engineered for durability, these plates boast a durable, thick vinyl cover to protect the plates from rust and corrosion without any unpleasant odor and are filled with cement with a 1-inch center hole that fits any standard bar with a diameter of 1 inch or less. Ideal for powerlifting, Olympic lifting, or CrossFit, these plates are built to withstand the most challenging workouts.