(NdFeB) Neodymium a rare earth magnet, or Neo, is made up of Neodymium Iron and Boron and is moderate in price. With poor corrosion resistance neodymium iron boron magnet is usually plated or coated (Examples: Nickel Plated, Epoxy Coated, Parylene Coated). Neodymium magnets are offered in a range of operating temperatures depending on your application (80°C to 200°C). Premium Neodymium magnetic materials is capable of operating above 120°C can become quite expensive. This permanent super magnetic material has many intellectual property rights associated with it and there are a limited number of licensed manufacturers in the world. Many infringing manufacturers from the Pacific-rim dump subpar magnetic material into the Western markets. This magnetic material is extremely powerful and it has allowed for the downsizing of many products from HDD (Hard Disc Drives) and motors to novelties and audio devices. Neodymium permanent magnets usually offer the best value when comparing price and performance.