... top quality at low price for various shape disc sintered NdFeB Magnet:high corrosion resistant,coercive force ... the coating, shape, sizeSurface treatment: Ni, Zn, Epoxy, Gold, Silver, Tin, Ni+Cu+Ni and Cr3+ZnSize available ... : 0.5-150mmShape: Block, Square, Disc, Cylinder, Ring, Rod, Bar, Stick, Tile, Fan, ... factory and cooperate with esteemed OEM!! round stintered NdFeB Magnet