Specifications: Magnets can be generating a magnetic field an object, can attract ferromagnetic substances such as iron, nickel, cobalt and other metals. 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. Magnet pole is different attraction, with pole the exclusion. NdFeB (Neodymium magnet) with a high magnetic energy. Hard texture, stable performance, very good price. Application is extremely broad. Surface coating. Usage: Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on. Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, sound meter, a reed switch, sensors. Electrical field: VCM, CD/DVD-ROM, generators, motors, servo motors, micro-motors,motors, vibration motors. Machinery and equipment: magnetic separation, magnetic crane, magnetic machinery. Healthcare: MRI scanners, medical equipment, magnetic health products and so on. Type: Magnets Material: NdFeB Quantity: 50Pcs Grade: N52 Features: Round Cylinder, Super Strong Magnetism, Multipurpose Size: 3mm x 1.5mm/0.12" x 0.06" (Approx.) Notes: About 50pcs, due to manual counts, quantity might has 1 - 5pcs more or less. Hope you can understand, thank you. Please place it to where children can't find, in case of accidental swallow. 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. Package Includes: 50 x Magnets
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