... delivery & excellent service N42 8*5mm strong neodymium magnet These magnets will have approximately 5150 Gauss on each face. ... chemical-plating processing technology without lead and chromium.ApplicationsNdFeB magnets are widely used in communication, electronics, household appliances, ... etc.Neodymium (NdFeB) Permanent Magnet Available Grades in: N, M, H, SH, UH, EH and so on.Magnet N-( N35-------N50), ...