... magnets all grades:N35,N38,N40,N42,N45,N48,N50,N52 round magnet with custom hole guaranteed quality NiCuNi,Zn,Epoxy ... N35,N38,N40,N42,N45,N48,N50,N52 round magnets with ... equipments...*********************************************************************************************************************************Features of NdFeB magnet :Neodymium magnets are mainly made from neodymium ,iron ...