... .Materials: Neodymium-Iron-Boron 2.Shape: Disc,Disk,Stick,etc... 3.Certificate: TS16949 / ISO2008 NdFeB Disc Magnet:- N35-N52, N48M, N48H, N45SH ... force.6. With precise tolerance.Application for NdFeB magnet:Magnetic separator, Sensors, Wind generators, Vibration motors, DC motors, Servo motors, Linear ...