... high resistance to demagnetization. 2.Magnetic characteristics of permanent Neodymium NdFeB Magnet: N33-N52, N33M-N50M, N33H-N48H ... , N33SH-N48SH, N33UH-N38UH. 3.Shape of permanent Neodymium NdFeB Magnet: Disc, Ring, Block, Segment, Cylinder, Trapezoid ... Parylene, etc. 6.Applications of permanent Neodymium NdFeB Magnet: Motors, Generators,Neodymium Pot,Speakers,Sensors,Earphones and other musical ...