... used 3.Many coatings with many colors magnetic disc magnet Product Image Description1.Material:rare earth ,neodymium -Iron-Boron2.Shape:Block ,Ring,Disk ... .5.Application: Sensors, Motors, Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters, Automobiles, Boxes,etc. TransportationAll available shipping ways ...