multipole magnet ndfeb magnet 1.sintered ndfeb magnet-electric screwdriver 2.mold to any size Material Grade of NdFeB magnet: Magnet N-( N35, N38, ... N40, N42, N45, N48, N50), Magnet M-(35M, 38M, 40M, 42M ... , 30UH, 33UH, 35UH, 38UH), Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH) ,Widely used in synchronous,toy motor,electric instruments and so ...