Type: Permanent Composite: Ferrite Magnet Shape: Block Disc Ring ARC Customized Application: Industrial Magnet Name: High Quality Neodymium Magnets neodym n52 Magnet Motors Tolerance: + -0.05 to + -0.01mm Size: Custom-made Magnet Coating: Ni or Zn or epoxy or NiCuNi as per request Certification: ISO9001: 2008 TS16949, SGS, MSDS