Characteristics:Size: Diameter is 16mm, tiny but useful.Magnetic Hook Using High Quality Steel And Neodymium Iron Boron Assembled, With These Hooks Store Keys, Papers, Kitchen Utensils, Tools, Etc, You Can Easily Find Them. The attractive polished nickel finish not only provides corrosion protection, but also makes your hooks look great wherever you place them. They can be used for the layout of shops, trade fairs and the manufacture of furniture, for example for fixing heavy steel doors or gates, for hanging up tools and displays, for attaching advertising banners, protective tarpaulins and covers, etc. They are very useful in the kitchen, office, on bulletin boards, magnetic or interactive boards Pack of 12The package contains 12 magnetic hooks, always have a spare. Each hook has 5.5 kg of direct pulling force. Caution:1. Keep the magnetic hook away from children.2. Do not place the magnetic hook near the electronic medical magnetism and pacemaker.3. Do not place the credit card, IC card or any other card could be demagnetized by neodymium magnet.4. Hook adsorbed on the metal surface of the required level in order to achieve the best results, the real force of attraction is concerned with the adhered material. In a vertical application (for example, the side of a refrigerator or toolbox), the force of the magnetic hook decreases by about 1/3 due to the shear forces and friction of the surface. The thickness and content of the steel and the friction of the finish also have an effect.