Neodymium magnet Grade:N35-N50, 35M-48M, 30H-42H, 30SH-42SH, 28UH- ... coating avaliable Product DescriptionNdFeB, the third generation of rare earth permanent magnet,has the high remanence,high coercive force,high energy product ... , Silver, Passivation, any coating as you like. 3.Magnet shape: Block,Ring, Disc, Cylinder, Rod,Bar, Cube,Sphere,Strip etc. 4.Directions ...