The 8220 Radial Magnet is a high-energy, high-strength permanent magnet used in various engineering and scientific applications. It has a diameter of 22cm and a height of 20 cm, and a thickness of 5 cm. It's composed of neodymium, a rare earth metal, and is coated in nickel and copper. The 8220 Radial Magnet has a very high magnetic strength, with a maximum of 12,500 gauss. It's also highly resistant to corrosion and can be used in temperatures up to 150°C. It has excellent magnetic properties, including high coercive force, high residuals, and low noise generation. The 8220 is ideal for devices and applications that require a very strong and stable magnetic field, such as devices used in industrial, medical, and research applications.