2~500PCS 15X3-4 mm Disc Ring Magnet 15X3 mm Hole 4mm Small Round

2~500PCS 15X3-4 mm Disc Ring Magnet 15X3 mm Hole 4mm Small Round Countersunk Magnets 15x3-4mm Neodymium Magnet 15*3-4 mm N35 Featur : With Holes : Yes Application : Jewelry Magnet Composite : Rare Earth Magnet Model Number : imanes Shape : Sheet Type : Permanent Origin : Mainland China Certification : NONE Shape : Round Material: NdFeB Grade: N35 Max Working Temperature:80C/176F Tolerance: Apporx 0-1mm Plating: Nickel + Copper + Nickel Triple Layer Plated Note: 1: Neodymium magnet is extremely powerful, pls take care of your fingers or other body parts to avoid injured between 2 pieces big magnet 2: Neodymium magnet is very fragile amp; easy damaged, pls handle gently 3: Strong magnets should keep away from ironware and some easily magnetized iron products, such as monitors, bank cards, computers, televisions and mobile phones 4:Prohibit contact and use by children under 8 years old, prevent children from swallowing Applications: Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on. Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, 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. Healthcare: MRI scanners, medical equipment, magnetic health products and so on. Other industries: magnetized Wax, pipe descaling, magnetic fixture, automatic mahjong machine, magnetic locks, doors and window magnetic, magnetic luggage, leather magnetic toys, magnetic tools, gifts and Thank You for Shopping