Permanent NdFeB Magnet. 1. Grade: N35,N45,N52 2. Shape: Disc,Ring,Block,Sphere 3. Plating: Ni,Zn,Epoxy,Telfon 4. Quality 1st Permanent NdFeB MagnetMaterial: NdFeB Magnet, Neodymium Magnet, Permanent Magnet, Rare-earth MagnetShape: Block, Sheet, Bar, Coil, Ball, Stick, Strip, Cup ShapeCoating: Zinc, Nickel, Epoxy, Nickel-copper-nickel, GoldMagnetizing Direction: Axial Magnetizing, Radial ...