BAZHOU Safety Buckle Design, on the basis of ordinary hooks, safety movable buckles are added to firmly hang objects, It is safe and user-friendly design to prevent items from falling due to shaking caused by wind, rain, or other factors, with strong carrying capacity, and improving product stability and safety. Range of Applications - The outdoor hanging hook is ideal to hang all kinds of light weight items, such as outdoor Lights,wind chimes, plants, birdhouses, curtains, Christmas string lights, Christmas decorative lanterns/ lights, decoration hangings. Easy To Install - The string lights hanging hook is suitable for all solid surface as wood, wall, ceiling, outdoor eaves. you can use a hammer or wrench to hit or screw into the wood. If you want to install a hook on the wall, you need to put the hook into the plastic expansion tube after making a hole in the wall. The sharp tip can easily and quickly enter the wall, which is convenient to use. Delivery Quantity: 1 set of 20pcs, Package Contents: Only the above package contents, excluding other products. Size: 2.35.3cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)