The Top Fitness Olympic Rubber Bumper Plates features minimal bounce and long lasting durability. Description The series of plates have a distinct black matte finish with raised lettering for a bold look. With an exterior made of high-quality resilient rubber, the bumper plates will help protect flooring when dropped. Each plate is equipped with a 2" stainless steel insert for easy sliding and a perfect fit on your Olympic bar. Specifications They measure in at 17.75" in diameter, and are available in weights of 10, 15, 25, 35, 45. Solid, high quality, resilient rubber Raised weight number markings Minimal Bounce Stainless Steel Inserts Weight: 10lb Bumper Width: 1.25" Diameter: 17.5" Color: Black Top Fitness Bumper Plates are sold individually For use with Olympic sized bars (2") only. Warranty 1 Year warranty on manufacturers defects on 25Lb, 35Lb, 45Lb plates 3 Months warranty on manufacturers defects on 10Lb &15Lb plates