... and Cr3+ZnSize available: 0.5-150mmShape: Block, Square, Disc, Cylinder, Ring, Rod, Bar, Stick, Tile, Fan, Ball3. Competitive, Reliable, Reasonable ... , by air express, by courier or others5. Grades of NdFeB Rare Earth Magnet N Series: N35 N38 N40 N42 N45 N48 N50 ... to visit our factory and cooperate with esteemed OEM!! neocube magnets/N35-N52 block strong magnets/cube neodymium magnets