Comp plates are back! Welcome to the SMAI Competition Calibrated Olympic Bumper Plate - the highest quality rubber bumper plates we offer. These bumper plates have been designed and manufactured to give you the most resilient, accurate and aesthetically appealing set of bumpers on the market. Designed with an extremely tight tolerance of + / - 10 grams, the SMAI Competition Bumper Plates are precisely tuned for exact weight - exactly what you need for weightlifting competitions and comp training