High Quality Material - These swivel black magnet hooks are made of neodymium magnets. Neodymium magnetic hooks (most rare earth magnetic compounds) coated with stainless steels. The powerful magnetic 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-function rotating design - Swivel magnetic hook arm can move 180 degrees up and down. Made of stainless steel, the black magnetic hook arm is very strong and strong and will not warp in any way. The powerful magnetic hook d20 increases the efficiency of hanging objects .. Hanging capacity - These vertical magnet hooks can pull 14 kg. 5 kg if the black magnetic hooks are fixed horizontally. You can count on these colored magnet hooks to hang everything, fridge, tea towel, key, table, napkin, indoor plants, door, jacket, cups, kitchen utensils, etc. Good assistant on the organization - These sturdy magnetic hooks are widely applicable for indoor and outdoor use. Strong magnetic hooks offer incredible hanging resolution to organize your kitchen, storage locker, workshop, classroom, garage, workshop metal cabinet, broom cupboard, fridge, desk, and even for your outdoor use such as travel trips. cruising, vacation decorating 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.