Eachine1 10pcs N50 20x10x4mm 4mm Hole Super Strong Block Magnets Rare Earth Neodymium Magnets

Description: 10pcs N50 20x10x4mm 4mm Hole Super Strong Block Magnets Rare Earth Neodymium Magnets Features: Shape : Rectangle with centre bore Material : NdFeB magnetic materials Product Size : (Measurements allowed error) (length*width*height) 20*10*4 mm (diameter of bore) 4mm Grade : N50 Quantity : 10 Usage: 1. Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on. 2. Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, sound meter, a reed switch, sensors. 3. Electrical field: VCM, CD / DVD-ROM, generators, motors, servo motors, micro-motors,motors, vibration motors. 4. Machinery and equipment: magnetic separation, magnetic machinery. 5. Healthcare: medical equipment, magnetic health products and so on. 6. Wedding corsage badges, etc. can be replaced with a magnet attracts every other clothes pins, so as not to damage the dress. 7. For the overlying metal drawing board for fixing the drawing paper. Magnetic blackboard whiteboard fixed file drawings. 8. Advertising magnets available to replace the original fixtures, at any time convenient to replace the ad content. 9. Models piling, you can use small magnets to connect two widgets. 10. Studio, bulk magnet can be used to adsorb screws and other parts, even wrenches and other tools . Warning These magnets are very powerful which should be handled with great care.Do not allow children to play with them unsupervised as they could get injured.Especially pay attention to the samll magnets please place in somewhere children can't reach Care should be used when handling two magnets as they can pull together with such force that pieces of the magnets can splinter off and cause injury. Keep the magnets away from pacemakers and magnetic storage devices such as mobile phones, bank cards and computers. Package Included: 10x Magnet More Details: