Specifications:The magnet with super strong magnetic effect.Widely use in our daily life for different repairing and industrial making.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.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.Item Name: MagnetMaterial: NdFeB Magnetic MaterialsQuantity: 5PcsShape: RectangleGrade: N52Features: Strong Magnetic, Rectangle Shape, Widely UseSize: 40mm x 10mm x 4mm/1.57" x 0.39" x 0.16" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:5 x Magnets