... safe delivery & excellent service N42 8*5mm strong neodymium magnet These magnets will have approximately 5150 Gauss on each ... Strip, Stick, Block, Sheet, Round, Disc, etc.MaterialsSintered Neodymium-Iron-BoronCoatingNickel,Zinc, Nickel+Copper+Nickel, Epoxy, Gold, ... motors, wind generators, sensors, leather, toys, package etc.Neodymium (NdFeB) Permanent Magnet Available Grades in: N, M, H, SH, UH ...