PREMIUM MATERIALThe ceiling hook is made of durable steel, sturdy and heavy duty. And the surface is covered by soft rubber to prevent rust and resist daily corrosion. With this vinyl coated design, the ceiling hooks can protect your hanging items, and keep them from slipping around. Perfect for indoor and waterproof for outdoor use. PERFECT SIZEThe total length of the ceiling screw hook is 2.9 inches: 2 inches hook part for hooking stuff, and 0.9 inches screw length. 50 pounds maximum loading weight. Comes with 12 pack screw hooks to meet your daily needs. WIDE APPLICATIONThe ceiling hooks are perfect for hanging plants on your balcony roof, can be installed under cabinet for your beautiful coffee mugs, and they work perfectly for string light and festival decorations too. It can be also widely used for hanging kitchenware, towels, baskets, keys, hats and other daily things in your kitchen, laundry room, garage and office etc. EASY INSTALLATIONThe ceiling hook has sharp point to mount into ceiling, wood, and walls easily. They provide durability and good appearance to your projects. With this awesome black screw hooks, your can make your home and office tidy, create more space. NOTE : Drilling a smaller hole is recommended before turning thread. These items contain functional sharp points, please put them out of children's reach.