Check the listing for details. 2 Pcs Keychain Neodymium Magnet for Testing Coins, Jewelry, Brass, Gold, Silver. Color: Silver Metallic, Condition: New, Made in China. Listed at 6.99 USD. Discover the power of our 2-Pack of Keychain Neodymium Magnets, perfect for testing coins, jewelry, and ferrous metals. Each compact 0.47" (12mm) N52 grade magnet boasts a remarkable pull strength of 3 lbs, making it an essential tool for jewelers, coin dealers, and recyclers. Housed in a durable nickel-plated shell, these lightweight keychains are easily portable, fitting snugly in your pocket or purse. Quickly identify gold, silver, brass, and more with this versatile magnet, ideal for on-the-go testing. Fast shipping from our US Colorado office means you get this valuable tool in no time. No more guesswork, just reliable results!.Discover the power of our 2-Pack of Keychain Neodymium Magnets, perfect for testing coins, jewelry, and ferrous metals. Each compact 0.47" (12mm) N52 grade magnet boasts a remarkable pull strength of 3 lbs, making it an essential tool for jewelers, coin dealers, and recyclers. Housed in a durable nickel-plated shell, these lightweight keychains are easily portable, fitting snugly in your pocket or purse. Quickly identify gold, silver, brass, and more with this versatile magnet, ideal for on-the-go testing. Fast shipping from our US Colorado office means you get this valuable tool in no time. No more guesswork, just reliable results!.