Size:12 Pack Features: Size: Diameter is 16mm, tiny but useful. Magnetic hook using high quality A3 steel and neodymium-iron-boron assembled, with these hooks to store keys, papers, kitchen utensils, tools, etc., you can easily find them. The nickel finish attractive polish not only provide corrosion protection, but also makes your hooks look great wherever you place them. They are usable for shop fitting, living rooms and furniture making, such as by example for securing heavy steel doors or gates, for hanging tools and displays, for attaching advertising banners, tarpaulins and covers, etc. They prove to be very useful in the kitchen, office, on bulletin boards, magnetic or interactive boards! Pack of 12 Package contains 12 magnetic hooks, always have a piece 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 actual attraction force is concerned with the adhered material. In a vertical application (for example, the side of a refrigerator or a tool box), the strength of the magnetic hook decreases approximately 1/3 due to shear forces and surface friction. The thickness and content of the steel and the friction of the finish also have an effect.