Combination details: magnetic keychain 12*41mm*2, magnetic keychain 15*44mm*2, you can choose to use it according to the actual needs, comes with a transparent storage box, easy to store and carry
Use: Magnetic design can easily hang some small objects on the fridge, metal doors, tables, chairs and other metal surfaces. Easy to place and find, space saving
Strong Magnetic Design: Adopting high strength magnets, the surface is finely polished, smooth and shiny, delicate and beautiful appearance, strong magnetic force, can be firmly attached to metal surfaces to avoid losing keys
Jewellery and coin detector: use magnetic detection to quickly identify counterfeit or plated jewellery. As counterfeit jewellery usually contains steel or nickel, which is magnetic and easily adsorbed, the authenticity of coins and jewellery can be initially determined.
Portable: small size and light weight, easy to carry. When you go out, you can directly put the magnetic keychain in your pocket or purse, which is not only less likely to be lost, but also very convenient for daily testing of iron, nickel or cobalt at any time.