ADIIL 20 PCS Q Hanger Hooks with Safety Buckle, Windproof Screw Hooks for Hanging Outdoor String Lights, Plants, Christmas & Patio Lights, 2.2 Inches, Black

Safety Buckle Design: Add safety buckle design to prevent hanging objects from falling, even in high wind.

Compared with ordinary ceiling hooks, the q hanger hooks are weatherproof and wind-resistant, perfect for hanging outdoor patio string lights.

No worry about items being knocked off, more secure.

Sturdy & Strong: The outdoor light hooks are 2.2 x 1 inch, made of quality metal with black rustproof coating, suitable for indoor and outdoor use.

Q hanger screw hooks are heavy duty, can hold a good amount of weight up to 40lb, can last many years.

Easy to Install & Use: String light hooks are easy to install.

You can screw the hooks into the wood by hand or with a wrench, or use an electric drill to drill a 0.24in hole in the concrete wall, plug the expansion tube into it, finally use a wrench to screw the hook in.