Neodymium Disc Magnets 5mm Dia x 3mm Thick Grade N50 Small & Strong Round Magnet
N numbers range from N27 - N52. Very Strong 5mm x 3mm Neodymium Magnets. Neodymium is about as common as tin or lead. Neodymium Magnets. Never allow magnets to jump together or to jump to steel as they will likely shatter.