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- Quality Brass Test Magnets for Jewelry Dealers, Metal Recyclers, Brokers, Antique Buyers and Collectors! Keychain magnets are also very portable and can be used to test for iron, nickel or cobalt.
- Identify counterfeit/plated jewelry where steel or nickel alloys are often the base metal.
- Identify/sort chrome-plated items from silver, polished aluminum, and non-magnetic stainless steel.
- Identify and sort solid brass and bronze from steel-plated items.
- Super Strong Metal Magnet Keychain Split Ring Pocket Keyring Hanging Holder.
- Recommended to test coins,use it to check for fake silver coins.
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