Build the perfect home gym with the FitRx Bumper Plates Weights Set, 450lbs. Total! Each of these free weights have durable stainless steel inner rings and are protected with rubber sleeves to reduce noise and keep your floors safe. They feature 2-inch center holes making them compatible with Olympic barbells. The FitRx Bumper Plates Barbell Weight Set, 450lbs is all you need to achieve your fitness goals!