WHATS INCLUDED: 160lb color bumper set. 1 pair of 10lb gray, 1 pair of 25lb green, and 1 pair of 45lb blue rubber polymer plates. Plates are 17.5 inches in diameter with 2-inch steel collar openings. 1-year warranty on 10's and 15's, 3-year warranty on 25's, 35's, 45's, 55's (home use only) BUMPERS BUILT TO LAST: REP Fitness color bumper plates are designed with durability in mind. Steel inserts with hooks molded into the plate and low-bounce rubber make our bumper plates last over 15,000 drops thats a lot of reps! Our 10 lb. plates are extra thick (1") to increase durability and minimize tacoing or folding in on itself, while our 45 lb. plates are thinner than most at 2.83", letting you fit up to 515 pounds on the bar. UNRIVALED VERSATILTY - Rubber bumper plates from REP Fitness give you complete control over your training. Theyre great for traditional movements like squats, deadlifts, and presses to increase strength and for Oly