?40 pieces Screw Hanging Ceiling Hooks? Screw Hanging Ceiling Hooks is made of high quality iron and coated with anti-rust coating, it is durable, resistant to dust, rust, wind, inclement weather and difficult to break. Screw-on Hanging Ceiling Hooks can support up to 40 pounds and is suitable for indoor and outdoor use. ?Durable Screw-on Suspended Ceiling Hooks? The surface of the screw-on Suspended Ceiling Hooks adopts electrophoresis treatment process, which has the properties of anti-rust, sun-proof and water-resistant, and can be used inside and outdoors for a long time in various climatic conditions. ?Safety Buckle Design? Screw-on Hanging Ceiling Hooks based on ordinary screw hooks, each hanger has a spring-loaded buckle to prevent the item from falling out due to wind shaking and rain or others unforeseen factors. The inside of the hook is also deep enough to hang items securely. ?Easy to install? Use a hammer to knock the tip of the Hanging Ceiling Hooks screw to screw into the wood, then use pliers or wrench to tighten it. To install the hook on the wall, you need to drill a hole in the wall, insert a plastic pipe, then twist the hook into the plastic pipe. ?A good helper in life? Screw Hanging Ceiling Hooks These screw hooks can be used to hang various kinds of outdoor lamps, cups, garden lamps, drip, birdhouses, curtains, ropes, chains, distributors of food, key chains and other hanging decorations to keep them organized. At the same time, they save space and ensure a simple and elegant look.