Add an Olympic Weight Plate to your arsenal of equipment. These weight lifting plates are ideal for if you already have a bar or any kind of plate loading weight equipment that you want to add on to. All Olympic weight plates are machine bored for a precise fit. Made of cast iron with a satin black enamel finish, an Olympic Weight Plate is virtually indestructible. Available in 2.5 lbs., 5 lbs., 10 lbs., 25 lbs., 35 lbs. and 45 lbs.