Specifications: 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 or DVD-ROM, generators, servo motors, micro-motors, motors, vibration motors. Machinery and equipment: magnetic separation, magnetic crane, magnetic machinery. Health care: MRI scanners, medical equipment, magnetic health products and so on. Wedding corsage badges, etc., can be replaced with a magnet attracts every other clothes pins, so as not to damage the dress. For the overlying metal drawing board for fixing the drawing paper. Magnetic blackboard whiteboard fixed file drawings. Advertising magnets available to replace the original fixtures, at any time convenient to replace the ad content. Models piling, you can use small magnets to connect two widgets. Other industries: magnetized wax, pipe descaling, magnetic fixture, automatic mahjong machine, magnetic locks, doors and windows magnetic, magnetic luggage, leather magnetic toys, magnetic tools, gifts and packaging. Item Name: Strong Neodymium Magnet Material: NdFeB Magnetic Dimension: 5cm x 1cm x 0.5cm(Approx.) Notes: Strong magnets should keep away from ironware and some easily magnetized iron products, such as monitors, bank cards, computers, televisions, mobile phones and others magnets might affect water meter, electric meter, gas meter and some metering equipment exist some inaccurate affect (such as: if magnets placed near the meter, the meter will slow down). These magnets are very powerful which should be handled with great care. Without parents supervised do not allow children to playing magnets as they could get injured. Especially pay attention to the small magnets, please place in somewhere children can't reach place. 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: 1 x Strong Neodymium Magnet