50 Pcs. Ring Magnets 12 x 4mm
50 Pcs. Ring Magnets 12 x 4mm\n\nMagnetization direction: N/S pole on both ends of the plane\n\nCircular with hole magnets, strong suction\n\nCan be used in industrial production and for personal creative design.\n\nGreat for DIY projects such as ammeter, instrument, electric motor, automatic control, microwave device, radar, and medical equipment/nbsp;\n\nApplication:/nbsp;\n\nElectro-acoustic: speaker, receiver, mike, an alarm device, stage, and car audio device, etc.\n\nElectronics: permanent magnet vacuum circuit breaker, magnetic latching relay, watt-hour meter, water meter, reed, sensor, etc.\n\nElectrical machines: VCM, generators, motors, CD/DVD ROM, electric motor, servo motor, micro motor, motor, vibration motor, etc./nbsp;\n\nMechanical equipment: magnetic separation, magnetic separator, magnetic machines, etc./nbsp;\n\nHealth care: nuclear magnetic resonance instrument, medical equipment, magnetic therapy health care products, etc./nbsp;\n\nOther industries: magnetization paraffin, pipeline cleaner, magnetic clamp, automatic mahjong machine, magnetic locks, bags, leather goods, toys, craft gift, etc./nbsp;\n\nSpecification:/nbsp;\n\nMaterial: NdFeB/nbsp;\n\nQuantity: 50\n\nColor: Silver/nbsp;\n\nSize: 12 x 4mm\n\nWorking temperature: maximum of 80°C
