Complete your home gym with this Diamond Pro Black Bumper Plate. It’s constructed of virgin rubber and stainless steel inserts. This CrossFit bumper plate is a true 17.7″ (450mm) diameter plate meeting IWF specification. They have a dead bounce and are easy on your floors and bars while doing Olympic lifting. Molded with over 150 tons of pressure, it’s able to give a nice smooth finish to all the plates. With a machined 50mm ID stainless insert, this Diamond Pro Black Bumper Plate is able to decrease the amount of play when the plate is on the bar. For a home gym, high school, college or fitness center, it will be the workhorse you’ve been looking for. Includes 25lb pair, 35lb pair, and 45lb pair.