TRYMAG Keychain Magnets for Testing Brass, 4 Pack Neodymium Pocket Keychain for Purse with Strong Magnetic Rare Earth, Gold Silver Jewelry Ferrous Metals Test Magnet Hanging Keys Holder

【Product Size】: 0.47 x 1.69 inches; Package: 4 pack; Pull Power: 17 pounds. The gold testing magnet is the perfect size and strength for identifying fake silver and gold jewelry!. 【Small & Convenient Tools】: The magnetic design can easily hang some small objects on metal surfaces such as refrigerators, metal doors, tables, chairs, etc. Easy to place and find, and save space. Free your hands and only need a magnetic keychain to adsorption the tools and accessories needed for work. 【Practical Magnetic Keychain】: The magnetic keychain is small, light in weight, and easy to carry. You can put it in your pocket or wallet directly when you go out, you don’t need to find the key in your pocket or wallet anymore and you will never lose them again. 【Multi Use Jewelry Magnet】: The magnet keychain provides you with an incredibly versatile multi-functional tool. It can make your daily work more organized and convenient, suitable for all your indoor and outdoor uses. 【Exquisite Packaging & Special Gifts】: Exquisite package with plastic case, avoid damage and loss of magnets during transportation, It can be given as a gift to relatives or friends