Very Strong Magnetic Practice: 16Mm Diameter Vertical Traction: 8Kg 18Lbs .High Quality Material: Hook And Base In Steel With Neodymium Magnets. .Strong Magnetic: Diameter Is 16Mm, Small But Useful. This Hook Magnet Has A Very Strong Holding Power And Is Not A Toy. These Hooks Support A Weight of Up to 18Lbs When Mounted Horizontally (E.G. On A Wall) Or Up to 6Lbs When Used Vertically . .Attractive Design: Attach The Hook to Any Metallic Surface In No Time At All Without Drilling, Nails Or Screws And Without Much Effort. When You No Longer Need It, You Can Remove It Just As Easily. Take Them With You When You Travel for Easy Storage And Hanging Solution. .Versatile In The Kitchen, Office, Modelling, Workshop, Assembly, Billboards And Many Other Things for Key Holders, Hooks for Hanging Clothes. .