OneFitWonder 170 Lbs Bumper Plate Set/Olympic Weight Plates for Crossfit Training - Pair of 15/25 / 45 Lbs 170lb set includes: 15lb, 25lb, and 45lb pairs. Thinner than many of the competing bumpers- so you can load more weight on your bar! OneFitWonder bumpers use a rubber formulation that combines the ideal mix of low bounce with high durability. Weight Tolerance +/- 1% of declared weight. Virgin Rubber for high durability plus stainless steel "hooked" insert.