Description: With simple structure, the magnet is easy to use and can attract ferromagnetic substances such as iron, nickel, cobalt and other metals. High performance magnet is widely used in our life, which can be used in speaker, microphone, car audio, medical equipment, etc. Made of high quality NdFeB material, the magnet is durable and reliable. Length of the magnet is 10mm, width is 5mm and the height is 1mm. It is widely used for electronic products, medical equipment, machinery,etc. Item Name: Magnet Material:NdFeB Grade: N42 Size Details: Size: 10mm x 5mm x 1mm/0.39" x 0.20" x 0.04" (Approx.) Notes: 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. 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. Health care: MRI scanners, medical equipment, magnetic health products and so on. Package Includes: 20 X Magnets