Safety buckle design: Increase the safety buckle design, items that will not fall even in strong wind! Compared with ordinary ceiling hooks, Q hooks are weatherproof and windproof, which is very suitable for hanging outdoor garden light strings. There is no need to worry about items being knocked down, and it is safer.[Sturdy & sturdy] Outdoor light hook size is 5.5 x 1.8 cm, made of high-quality iron, black anti-rust coating, suitable for indoor and outdoor use. The Q-type hook is sturdy and durable, with a capacity of 40 pounds (about 18.1 kg), and is durable.Easy to install and use: easy to install lanyard light hook. You can screw the hook to the wood by hand or with a wrench, or use an electric drill to drill a 0.25 inch (about 0.6 cm) hole in the concrete wall, insert the expansion tube into it, and finally tighten the hook with a wrench. Very suitable for terraces, roofs, decks, ceilings, porches, balconies, trees, fences, etc.[Widely used] Outdoor hooks are windproof, strong and durable. You can use them anywhere! Very suitable for outdoor string lights, garden lights, Christmas lights, plants, fairy lights, bird feeders and houses, flower pots, wind chimes, icicle lights, deck lights, mugs and decorations.Colour:blackMaterial:ironPackage Contents:30 x Threaded hook30 x expansion tubeOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.