[Product size] : 4MM*1MM [diameter: 4MM, thickness: 1MM, tolerance]

[Magnet coating] : galvanized

[Direction of magnetization] : Thickness of magnetization [N S pole on the surface of a circle]

[Working temperature] : Maximum 80 degrees Celsius

This product applies to electroacoustic field: loudspeaker, receiver, microphone, alarm, stage sound, car sound, etc. Electronic appliances: permanent magnet vacuum circuit breaker, magnetic latching relay, watt-hour meter, water meter, acoustic meter, reed pipe, sensor, etc. Motor field: VCM, CD/DVD-ROM, generator, motor, servo motor, micro motor, motor, vibration motor, etc. Mechanical equipment: magnetic separation, magnetic separator, magnetic crane, magnetic machinery, etc. Medical care: MAGNETIC resonance apparatus, medical devices, magnetic healthcare products, etc.; Other industries: magnetization anti-wax device, pipe descaler, magnetic fixture, automatic mahjong machine, magnetic lock, magnetic door and window, case and bag, leather bag, magnetization oil-saving device, toy magnetism, tool magnetism, gift packaging and so on.