Specifications: Made of NdFeB, strong magnetic performance, rust-resistant surface. Type: Magnet Material: NdFeB Grade: N52 Features: Cuboid shape, strong magnetism, suitable for refrigerator use Size: 20mm x 10mm x 5mm / 0.79" x 0.39" x 0.20" (Approx.) Usage: Acoustic applications: speakers, receivers, microphones, alarms, stage audio equipment, car audio systems. Electronics: permanent magnetic actuators, vacuum circuit breakers, magnetic relays, meters, sound meters, reed switches, sensors. Electrical applications: VCM, CD/DVD-ROM drives, generators, motors, servo motors, micro motors, vibration motors. Machinery and equipment: magnetic separation, magnetic cranes, magnetic machinery. Healthcare: MRI scanners, medical devices, magnetic therapy products. Wedding corsage badges and similar items; can be secured with magnets instead of pins to avoid damaging fabric. Notes: Do not allow children to handle these magnets without supervision, as they may cause injury. Small magnets should be stored out of reach of children. Exercise caution when handling multiple magnets, as they can snap together with strong force, potentially causing fragments to break off and cause injury. Due to lighting and screen setting differences, the actual item color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Magnet