Frame-Cast Rubber Olympic Bumper Plates. Quieter and is helping give protection to the ground and gear. Each and every bumper plate is equipped with a 3mm thick steel sleeve for correct are compatible and simple sliding. Use with Olympic measurement bars best. Raised white numbers markings. All plates are 17.7″ diameter. 35lb. plates are 2.five” thick. IMPORTANT- Those are rubber, however aren’t supposed to be thrown round. Constant abuse might result in cracks or splits. ALSO AVAILABLE- colour coded plates and industrial rated plates.