ndfeb magnet Grade:N35,N38,N40,N42,N45... Coating:nickel,zinc,expoy,gold... Shape:cylinder,disc,block... ndfeb magnet Magnet(NdFeB magnet) is made from Neodymium,Iron,Boron and some other transitive metallic elements to make it strong 1.General features Grades:N33,N35,N38,N40,N42,N45,N48,N50,N52, (M, H, SH, EH, UH ) Coatings: Ni, Ni-Cu-Ni, Zn, white-blue Zn, Expoy, Gold, and etc. Sizes: according ...