This set of 16 metal discs includes 2 each of 8 different metals: mild steel, stainless steel, brass, zinc, nickel, bronze, aluminum, and copper. Each disc measures 1 inch in diameter. One disc of each pair is stamped with the metal name while the other is blank, making it ideal for metal identification exercises. A plastic case is included for convenient storage. The set is also useful for demonstrating that some metals are magnetic while others are not. Suitable for physics, chemistry, and general science education.