Neodymium-Iron-Boron [Nd-Fe-B] Disc Magnets is manufactured by Dura Magnets Pvt. Ltd. Neodymium-Iron-Boron [Nd-Fe-B] Disc Magnets are used in Loud Speakers, Relay Sensors, Drain Plugs, Door Catchers, and Suspension Bearing. These disc magnets are permanent magnets. Dura Magnets Pvt. Ltd. Is an ISO 9001: 2000 certified company. Dura Magnets Pvt. Ltd. Offers Cast Alnico, Rare Earth [Nd-Fe-B] and Samarium Cobalt Permanent magnets.