Read more BalanceFrom Cast Iron 1-Inch or 2-Inch Weight Plate, Olympic Size Made of solid cast iron with a 1-inch or 2-inch center hole fits any Olympic bar with diameter 1" or 2” or less; Can be used with 1" or 2” dumbbell bars too All plates features a durable, black baked enamel finish to prevent the plates from rust and corrosion without any unpleasant odor Labeled in both LB and KG for easy recognition Weight plates can be used to perform muscle strengthening exercises and endurance training, or to increase flexibility and balance Read more Weight Selection Choose preferred weight from 2.5 lbs, 5 lbs, 10 lbs, 25 lbs, 35 lbs, 45 lbs. Easy Grip Each plate has a large opening on them for easy grip. Different Diameter The total diameter of the plate varies by size for easy recognition. Read more Pound and Kilogram All plates are labeled in both Pound and Kilogram for convenience. Cast Iron Made of high quality cast iron with a durable, baked enamel finish. 1-inch or 2-inch Inner Ring With 1-inch or 2-inch center, Plates fit bars with 1" or 2" diameter. Read more Read more