Strong Neodymium Magnets (10mm Dia x 3mm) Pull force 1.75Kg Powerful Disc
N numbers range from N27 - N52. Very Strong 10mm x 3mm N38 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.