NdFeB Magnets 1. Shape : bar 2. Model number :N35 OD4.75*H15.875 ... , NdFeB type rare earth magnet is much more prone to surface oxidation or rust, and elimination. Users should consider magnet coating, plating ... , N28UH, N30UH, N35SH, N38, N45, N48 and N509High energy ranging from 8MGOe to 48MGOe with wonderful coercive force10Less expensive, and mechanically stronger and ...