Stable and durable: These string light hooks are made of upgraded high-performance carbon steel with anti-rust, sunscreen and waterproof black vinyl coating for years of use, suitable for indoor and outdoor use . Scope of delivery: You will receive 12 screw hooks with plastic tubes, enough quantity to meet your hanging needs in daily life. Outdoor lighting hooks are 2.3 x 5.3 cm/pcs, based on ordinary hooks, add safety buckle design to prevent hanging items from falling. Easy to Install: The screw hook is easy to mount on soft wood, such as wooden fences, balconies, verandas, tree trunks, etc. Just hit the hook, then use a wrench to turn it tightly. If you want to fix it on a wooden, brick or hard aluminum wall. Sturdy and stable: the screw hook is made of iron and coated with anti-rust paint to ensure good resistance to corrosion. Play a good role in preventing wind and rust. The material is very thick and hard, the hanging hooks can hold up to 40 pounds and are not easy to break. Wide ApplicationScrew hooks for outdoor hanging Christmas string lights, wind chimes, outdoor knots, bird cage, feeders, plants, ropes, chains. Also perfect for home storage like hanging cups, kitchen utensils, mugs, curtains, pictures, keys, frames and paintings etc.