Sterkir seglar – Nokkrar stærðir á lager N52 eru sterkasti segull sem seldur er á almennum markaði What does the N35, N40, N42, N45, N48, N50, N52 grade mean? Neodymium magnets are graded by the maximum strength they can be magnetized to. The higher the number the stronger the magnet is, however the higher the number the more brittle/brothættur the magnet becomes as […]