Suitable for both indoor and outdoor use, these versatile ceiling hooks are made of bronze and can be used to hang various items such as coffee mugs, belts, hats, scarves, jewelry, kitchen utensils, towels, curtains, brooms, plants, keys, wind chimes, birdcage, and more. They are heavy duty and resistant to rust and corrosion, making them perfect for outdoor applications like hanging flower baskets, wind chimes, lanterns, and Christmas lights. The hooks are made of antique brass plated material that does not stain or corrode, making them suitable for marine, bath, and outdoor use. They are made of firm rust-resistant metal and have an appealing ancient bronze retro rust color. The hooks have a total length of 2.8 inches (71mm) with the cup hooks measuring 2 inches (51mm) in length, providing ample space for hanging various items. Installation is easy thanks to the threaded end tapping screw, allowing you to easily screw the metal cup hook into wood, wall, or ceiling. It is recommended to use a pilot hole first and screw by hand or with a screw eye in your drill. Please be aware that these items contain functional sharp points and should be kept out of the reach of children and babies.