YukaBa Keychain Magnet Tester for Gold, Silver, Jewelry & Precious Metals with Rare Earth Neodymium Magnets (2 Pack)

【Product Size】0.47 x 1.57 inches with N40 Neodymium Magnets; Package: 2 pack; Pull Power: Over 2 pounds per magnet, 8 pounds for the pair. This gold testing magnet is the perfect size and strength for identifying fake silver and gold jewelry!. 【Jewelry & Coin Testing】Identify fake/plated jewelry, which often has steel or nickel alloys as the base material (some alloys, like nickel-silver and German silver are non-magnetic, despite having ferrous metals present). Generally, the magnet test is onl