... etc. 4.Coating:NiCuNi,Zn,etc. neodymium disc magnet Product Image Descriptionneodymium disc magnet1.Material:rare earth ... -N45SH,etc.5.Coating :NiCuNi, Ni,Zn,Gold,Silver,Epoxy,chemical plating Ni,etc.6.Application: Sensors, Motors ... , Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters, Automobiles, Jewelry.Box,etc. Neodymium magnet ...