Specifications:<br> Magnets can be generating a magnetic field an object, can attract ferromagnetic substances such as iron, nickel, cobalt and other metals.<br> Magnetic pole judged by a thread hanging magnets, pointing to the north pole is called North Pole, pointing to the south pole as a S pole.<br> Magnet pole is different attraction, with pole the exclusion.<br> NdFeB (Neodymium magnet) with a high magnetic energy.<br> Hard texture, stable performance, very good price.<br> Application is extremely broad.<br> Surface coating.<br> Usage:<br> Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on.<br> Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, sound meter, a reed switch, sensors.<br> Electrical field: VCM, CD/DVD-ROM, generators, motors, servo motors, micro-motors,motors, vibration motors.<br> Machinery and equipment: magnetic separation, magnetic crane, magnetic machinery.<br> Health care: MRI scanners, medical equipment, magnetic health products and so on.<br> Type: Magnet<br> Material: NdFeB<br> Quantity: 10Pcs<br> Grade: N52<br> Features: Round Disk, Super Strong Magnetism, Multipurpose<br> Size: 20mm x 3mm/0.79" x 0.12" (Approx.)<br> Notes:<br> Please place it to where children can't find, in case of eating wrongly.<br> Due to the light and screen setting difference, the item's color may be slightly different from the pictures.<br> Please allow slight dimension difference due to different manual measurement.<br> Package Includes:<br> 10 x Magnets<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store