Discover the authenticity of your precious metals with this convenient keychain magnet tester. Featuring powerful rare earth neodymium magnets, this portable device helps you evaluate gold, silver, and other precious metals through magnetic testing. The compact keychain design means you can carry this testing tool wherever you go, making it perfect for jewellers, collectors, or anyone interested in verifying precious metal authenticity. The strong neodymium magnets provide reliable magnetic field strength for consistent testing results. Keep in mind that this tester should be used as part of a comprehensive authentication process, as magnetic testing is just one method of verification. The durable construction ensures long-lasting performance, while the keychain attachment prevents misplacement during your busy day. Whether you're a professional dealer or casual collector, this magnetic tester offers a practical solution for preliminary precious metal verification.