High Quality Material- These swivel black magnet hooks are made of neodymium magnets. the neodymium magnetic hooks (most rare earth magnetic compounds) coated with stainless steels. The powerful magnet hooks are plated with 3 layers of protective coatings - Nickel + Copper + Nickel (Ni-Cu-Ni). Thus, the 20mm diameter hook magnets resist rust and corrosion and are ideal for long-term use. Mufti-functional Rotating Design- The swiveling magnetic hook arms can move 180 degrees from top to bottom. Made of stainless steel, the black magnet hook arm is very strong and sturdy and will not bend in any way. d20 strong magnet hook increase the effectiveness of hanging items. Hanging Capacity- These vertical magnet hooks can pull 30 lbs. 5 kg if the black magnetic hooks are fixed horizontally. You can depend on these color magnet hook to hang everything, fridge, dishcloth, key, picture, towel, indoor plants, door, jacket, cups, kitchen utensils, etc. Good helper on the Organization- These sturdy magnetic hooks are widely applicable for indoor and outdoor use. The strong magnetic hooks provide amazing hanging resolution for organizing your kitchen, storage locker, workshop, classroom, garage, workshop metal cabinet, broom closet, fridge, office, and even for your outdoor use like travel. cruise, vacation decor and camping. Easy Installation- These black magnetic hooks can be placed on any metal surface. Very easy installation, no tools required, wall mounting without drilling. Specification: Shape: Hook Color: Black Diameter: 20 mm Material: Neodymium magnet and stainless steel Vertical pulling force: 14kg Horizontal pulling force: 5 kg Package: 6 Pack Advantages of strong magnet hooks: No drilling holes No sticky residue No bolts or screws Easy to install or remove Reusable