Iron Olympic Weight Plates: Product Description: Weather- and break-resistant bodybuilding discs composed of iron and premium materials. For bodybuilding and aerobic exercises, the bars are used in conjunction with weights or discs. The price of the weights is determined by multiplying the total weight by the price per kilogram. Sports Weights' characteristics include: Sports weights made of premium stainless steel that resist rust. Sports weights with a unique anti-scratch coating that guards against rust and corrosion are available for purchase. Ideal construction to make loading and lifting weights onto steel bars easier. It is simple to move weights from one bar to another and to swap them out.