Material: Ceramic Ferrite Magnets; Neodymium magnets Grade options: From C5 to C8; From N35 to N52; Coating options: NiCuNi; Zinc; black epoxy; phosphating; Magnetic name badge holder will not damage your clothing while hold your name tags in place; Name badge magnets option: 1 magnet magnetic fastener; 2 magnets name badge holder; 3 magnets name badge magnetic attachment; …