... Boron 2.Shape: Disc,Disk,Stick,etc... 3.Certificate: TS1 NdFeB Disc Magnet:- N35-N52, N48M, N48H, N45SH, N38UH, N35EH...- ... Cu and so on(as per the requirements).5. NdFeB magnet has super strong magnetic force and high intrinsic coercive force ... .6. With precise tolerance.Application for NdFeB magnet:Magnetic separator, Sensors, Wind generators, Vibration motors, DC motors ...