EASY INSTALLATION: Christmas lights hanging hooks are quick and easy to install. Use a Phillips screwdriver to screw the nail into the wooden beam or tap it with a hammer and tighten it again for fast and secure installation, saving time and effort.SIZE AND PACKAGING: You will receive 40 outdoor hooks packed in a plastic box. Box dimensions: 128 mm (5.04 inches) in length, 65 mm (2.56 inches) in width, and 20 mm (0.79 inches) in height. Q-hook length: 35 mm (1.37 inches). Hook opening: 7 mm (0.28 inches). Screw specification: M4 x 25 mm, thread length 22 mm (0.86 inches). The screw provides firm and stable support.HIGH QUALITY: Windproof and rustproof hangers designed for lights and other outdoor wire applications. The open loop design allows for quick release, while the extended structure ensures secure hanging. Each hook holds up to 10 pounds. Suitable for both indoor and outdoor use.WIDELY USED: Ideal for securely hanging lightweight items such as holiday lights, drip lines, small potted plants, bird feeders, birdhouses, ropes, chains, wind chimes, LED lights, and more.QUALITY MATERIAL: Made of durable zinc alloy with a smooth surface and no burrs. Offers high strength, toughness, and rust resistance for long-term, repeated use.