Wright Bumper Plates - 260 lb Set - Great Crossfit & Olympic Lifting Finally an affordable option in Solid Rubber Bumper Plates. Perfect for Cross Training, home gyms, and trainers. 10, 15, 25, 35, 45lb- 1 Pair of each size Solid, high quality, resilient rubber (no crumb rubber used) All plates are the same standard diameter- 17.7" Steel inserts are about 2mm thick, which is about three times the industry standard to provide strength and longevity of service