BalanceFrom 45-Lb Cast Iron Weight Plates
These solid cast iron weight plates fit Olympic bars with diameters of 2" or less; can also be used with dumbbell bars with diameters of 2". It features a durable, black oven-baked enamel finish that resists rust and corrosion without giving off an unpleasant odor. The price drops from $99.99 to $89.99 w/ free shipping.