durable gold tester ? If so, take at this product. Using reliable materials, durable. The unique design and craftsmanship ensure its popularity and practicality. This is your ! With this product, and you can have professional and enjoyable looking experience. Features -Color:Silver -Material:Iron,magnet -Size:5.80X1.80X1.80cm/2.28X0.71X0.71in -This gold testing magnet is well-suited for differentiating between silver gold jewelry pieces with precision. -Its dual functionality as a keychain adds practicality to your everyday life. -The magnetic testing is solely intended for verifying the legitimacy of coins and jewelry items. -Constructed to be durable and compact, this magnetic keychain is lightweight and effortless to carry. -Whether you're , you can conveniently store it in your pocket or wallet. It serves as a multifunctional magnetic testing tool for your needs. Package list: 2 x keychain testers