... Magnets with holes, N35,N38,N40,N42,N45,N48,N50,N52.. Product specifications:1. Neodymium rare earth block magnets ... coercive force.6, With precise tolerance.Application for Neodymium magnet:Magnetic separator, Sensors, Wind generators,Vibration motors,DC ... ,microphone parts,transmission equipments...Features of Neodymium magnet :Neodymium magnets are mainly made from neodymium ,iron, and boron. It is ...