Magnetization direction: •N/S pole on both ends of the plane Round magnets,strong suction,can be used in industrial production It can also be used for personal creative design Great for DIY projects such as ammeter,instrument,electric motor,automatic control,microwave device,radar and medical equipment Application: •Electro-acoustic: speaker,receiver,mike,alarm device,stage and car audio device,etc •Electronics: permanent magnet vacuum circuit breaker,magnetic latching relay,watt-hour meter,water meter,reed,sensor,etc •Electrical machines: VCM,generators,motors,CD/DVD ROM,electric motor,servo motor,micro motor,motor,vibration motor,etc •Mechanical equipment: magnetic separation,magnetic separator,magnetic machines,etc •Health care: nuclear magnetic resonance instrument,medical equipment,magnetic therapy health care products,etc •Other industries: magnetization paraffin,pipeline cleaner,magnetic clamp,automatic mahjong machine,magnetic locks,bags,leather goods,toys,craft gift,etc Specification: •Material: NdFeB •Quantity: 50 pieces •Color: Silver •Size: 5 x 5mm •Working temperature: maximum 80°C Package included: •1 x 50PCS 5x5mm Super Strong Magnetic Round Magnet •Other items not included