... NdFeB disk Magnet(NdFeB magnet) is made from Neodymium,Iron,Boron and some other transitive metallic elements to make it strong. General ... : Ni, Ni-Cu-Ni, Zn, white-blue Zn, Epoxy, Gold, and etc.Sizes: according to your requirementsShapes: disc, cylinder, sphere, block ... ,ring ,tile, arc, and etc.High magnetic performance (Br: 11,000 to 14,500 ...