Llavero de neodimio de imán fuerte para probar latón, oro, plata, monedas, joyas
Use it for Type: Neodymium Magnet Keychain. 1x Neodymium Magnet Keychain (other accessories are not included). Material: N40 Neodymium. If a magnet responds to jewelry, it is not fine silver or anything near pure gold.