GOLD DEER Set of 4 Magnet Neodymium Hanging Keychains with Storage Box Keychains, Carabiner, Magnets, Lightweight, Compact, Portable,

[Combination details] Magnetic key chain 12*41mm*2, magnetic key chain 15*44mm*2, you can choose to use according to your actual needs, and it comes with a transparent storage box, which is convenient for storage and carrying. [How to Use] The magnetic design makes it easy to attach to metal surfaces such as refrigerators, metal doors, tables, and chairs. Easy to place, easy to find, and space-saving. [Strong magnet design] Adopts high-strength magnet, the surface is exquisitely polished, smooth and shiny, with a delicate and beautiful appearance, strong magnetic force, can be firmly attached to metal surfaces, and prevents keys from being lost. [Gemstone & Coin Detector] Use a magnetic detector to quickly identify counterfeit gemstones and plated gemstones. Counterfeit jewelry usually contains steel or nickel, which are magnetic and easily attracted to the material, making it the first step in determining whether a coin or piece of jewelry is genuine. [Portable] Small and lightweight, it is easy to carry. When you are out and about, you can put the magnetic keychain directly into your pocket or purse, making it less likely to get lost and very convenient for daily testing of iron, nickel, and cobalt. [Combination Details] Two 12*41mm and two 15*44mm magnetic keychains are available, allowing you to choose the one that best suits your needs. A transparent storage box is included for convenient storage and portability. [Usage] The magnetic design allows for easy attachment to metal surfaces such as refrigerators, metal doors, tables, and chairs. Easy to locate, easy to find, and space-saving. [Strong Magnet Design] The high-strength magnet features a finely polished, smooth, and shiny surface, creating a delicate and beautiful appearance. Its strong magnetic force allows it to securely attach to metal surfaces, preventing key loss. [Jewelry and Coin Detector] Use the magnetic detector to quickly identify counterfeit jewelry and plated jewelry. Counterfeit jewelry typically contains magnetically attracted steel and nickel, allowing you to quickly determine the authenticity of coins and jewelry. [Portability] The magnetic keychain is small and lightweight, making it easy to carry. When you're out and about, you can easily slip the magnetic keychain directly into your pocket or purse. Not only is it less likely to get lost, but it's also extremely convenient for everyday testing for iron, nickel, and cobalt.