... NdFeb Magnet, Magnetic material, Neodymium Magnet Zinc,Ni,Tin,Gold,Epoxy,Parylene,Plastic packed, Telphlone Full grade NdFeb Magnet, Magnetic material, ... )magnets in ring shape.Neo NdFeB mangets -- strong magnetic force.high maxium magnetic energy.high intrinsic coercive force.Ni Coated to protect ... the surface..Application for PM motor,speakers,magnetic separator and other industrial fields.