4PCS Magnet Keychain, Strong Magnet Key Holder Test Magnets Metal Verifier for Brass Silver Gold Rare Earth Ferrous Metals Precious Metal Test

About this item

• Metal Test Tool: You will receive 4 PCS magnet keychains, designed to help you quickly identify the authenticity of jewelry, coins, and precious metals. Since these counterfeit or electroplated jewelry usually contain steel, which is ferromagnetic and easily attracted by magnets, you can use this Magnet Keychain to help you make a preliminary judgment. It is a good helper for jewelers, metal recyclers, brokers, antique buyers, and collectors
• Easy to Carry: Each of these magnet key holders is only 4.1x1.2cm/1.6x0.47in size, lightweight, and comes with a key ring, so you can easily put it in your pocket or wallet and carry it with you, or string it with your keys or hang it on your bag, which is not only not easy to lose but also very convenient to use at any time
• Strong Magnetic Force: This metal verifier has a super strong magnetic force. After sticking to the magnetic object, it takes a lot of force to pull it off. It can easily identify whether jewelry of a certain thickness contains ferromagnetic items. Just stick its bottom to the jewelry and then pull it off. If there is an adsorption force, it contains ferromagnetic materials. Strong magnetism makes this process simpler and more efficient.
• Excellent Quality: This magnet keychain is made of strong magnetic magnets and stainless steel, with a high-quality electroplated protective layer, wear-resistant, waterproof, hard, not easy to break, stable, and has strong magnetism, the key ring is not easy to deform, can be reused many times, to ensure your long-term use experience
• Widely Applicable: This test magnet can be used not only for jewelry, coins, and precious metal identification but also for many other occasions such as craft occasions, educational needs, home decoration, miniature models, fixed objects, salvaging magnetic objects in water, etc. It is very reliable and has a wide range of uses