... magnetn42 neodymium magnetn48 neodymium magnetn50 neodymium magnetWe produce and sell NdFeB Magnet in various shapes(segment, block, cube, cylinder, disc, ring, ... to 200 degree centigrade or 380 curie temperature; 4. Grades: N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH ... magnetic holder, filters automobiles and so on. Speaker Neodymium MagnetGrades: N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH ...