【Product Features】 - 20 pieces of magnetic hooks with a super strong magnetic base, 16 mm in diameter. The magnet is covered with three layers: nickel, iron, nickel. This protects the mini magnet from corrosion and prolongs its service life and durability without cracking. 【Easy to use】 - No ma need to install hardware, just mount on any flat metal surface. No more holes or scratches in walls, refrigerators or furniture. 【Supermagnetic】 - Made of excellent neodymium-iron-boron materials. The surface layer is made of nickel-plated rare earth magnetism, which ma stronger magnetism. Operating temperature: -20 to 60C. 【Extensive Applications】 - Magnetic hooks can be used for doors, kitchens, bathrooms, cabinets, garages, workplaces, cabinets, gyms, sheds, cruises, etc. Parameter: Material: magnet Colour: black Size: diameter 16mm height 35mm List of things to pack: 20 * magnetic hooks