Neodymium Cylinder Magnet are widely used in the package,bags,mobile,toys ...., we could produce the Neodymium Cylinder Magnet according to your request as following:Size: Diameter 3 up to 220mmThickness : according to your requestGrade:N35,N38,N40,N42,N45,N48......Max. Working Tempeture: 250 deg. CCoating: Zn, Ni, NiCuNi, Gold, or Epoxy,black phosphate coatedMagnetized direction: Through thichness or Radial