10pcs N35 20x10x4mm Block Countersunk Magnets Neodymium Magnets With 2 Holes

Description 10pcs N35 20x10x4mm Strong Block Magnets Rare Earth Neodymium Magnets Countersunk Magnets With 2 Holes Specifications MaterialNdFeB magnetic materialsGradeN35SurfaceNickel platingOperating temperature80℃Force5kgGauss2800Size20x10x4mmHole5mm 2pcs Quantity 10pcsUsage 1 Acoustic field the speaker receiver microphone alarm stage audio car audio and so on 2 Electronics permanent magnetic actuator vacuum circuit breakers magnetic relays meter sound meter a reed switch sensors 3 Electrical field VCM CD DVD ROM generators motors servo motors micro motors motors vibration motors 4 Machinery and equipment magnetic separation magnetic crane magnetic machinery 5 Healthcare MRI scanners magnetic health products and so on 6 Wedding corsage badges etc can be replaced with a magnet attractsevery other clothes pins so as not to damage the dress 7 For the overlying metal drawing board for fixing the drawing paper Magnetic blackboard whiteboard fixed file drawings 8 Advertising magnets available to replace the original fixtures at any timeconvenient to replace the ad content 9 Models piling you can use small magnets to connect two widgets 10 Studio bulk magnet can be used to adsorb screws and other parts even wrenches and other tools Warning 1 Do not allow children to play with them unsupervised as they could get injured Especially pay attention to the samll magnets please place in somewhere children cant reach 2 Care should be