Product Information: Unique and stylish Anti-Roll design Rubber is only available in black Made from solid steel, which is a more durable and compact material than other cast iron products on the market Raised number weight identification 50mm Olympic Stainless Steel Centre Rubber covered 2 Year warranty Note: Discs are sold individually unless purchased as a set Also available in a Urethane Disc and as a Set SPECIFICATION: Brand Jordan Usage Home Use, Commercial Use Condition Brand New Warranty 2 Years