Product parameters:Material: Stainless steelColour: BlackSize: diameter 20mm Packing list: 6 hooks Product :High Quality Material- These swivel black magnetic hooks are made of neodymium magnets. Neodymium magnet hooks coated with stainless steel (most rare earth magnet connections). The strong magnetic hook is plated with 3 layers of protection - Nickel + Copper + Nickel (Ni-Cu-Ni). Therefore, the 20mm diameter hook magnets are rust and corrosion resistant and ideal for long-term use.Multifunctional Rotating Design- The rotating magnetic hook arm can move up and down 180 degrees. Made of stainless steel, the black magnetic hook arms are very strong and won't bend in any way. Strong magnetic d20 hooks increase the effectiveness of hanging items.Hanging Capacity- These vertical magnetic hooks can pull up to 14kg. 5 kg when the black magnetic hook is installed horizontally. You can rely on these colorful magnetic hooks to hang anything, refrigerators, tea towels, keys, pictures, towels, houseplants, doors, jackets, mugs, kitchen utensils and more.Good Helper for Organization- These strong magnetic hooks are widely used indoors and outdoors. Sturdy magnetic hooks provide amazing hanging resolution and can be used to organize your kitchen, locker, workshop, classroom, garage, workshop metal cabinet, broom cabinet, refrigerator, office, and even your outdoor space such as travel, cruise, Holiday decorations and camping.Easy to Install- These black magnetic hooks can be installed on any metal surface. Installation is very easy, no tools required, no drilling required to mount on the wall. Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. The color may vary due to different monitors, please understand.