If you are looking for agold tester, then your research is over here. That's because our product can meet your need. Adopted of reliablematerial, this productis practical and durable for long time use, which is not easy to get deformed and bring you much convenience. Features -Color:Silver -Material:Iron,magnet -Size:5.80X1.80X1.80cm/2.28X0.71X0.71in -This gold testing magnet is highly suitable for distinguishing between silver gold jewelry. -Can be used as a keychain, providing convenience for daily life. -Magnetic testing is conducted solely to verify the authenticity of coins and jewelry. -This magnetic keychain is sturdy, compact, lightweight, and easy to carry. -You can easily place it in your pocket or wallet when you go out. It offers you a versatile magnetic testing tool. Package List2 x keychain testers