WIDELY USED Q hanger hooks for outdoor string lights, home christmas lights hooks, light up pumpkins halloween outdoor string lights hook, holiday fairy lights & Patio Light hanger, also perfect for indoor outdoor hanging hook to hang light weight items, such as potted plants, wall planter, key, wall decorations. Easy InstallationChristmas lights hooks can be finished in seconds. If you want to install on wood, just tighten the screw with a drill/screwdriver into wooden set. Outdoor string light hooks come with plastic tube, if you want to install on concrete/brick/stucco wall, pre-drill a 0.23" hole, put a plastic tube into the hole, then tighten the screw into the plastic tube. Durable Use Screw in hook is made of stainless steel screw and nylon hook, wind proof and rust proof. The safety design ensures quick release and provides total security, the string light, christmas light or item not easy to fall out. String light hooks can be holds up to 20 lbs, suitable for indoor outdoor home outside backyard use. Packing List 45pcs screw in light hooks and 45pcs plastic tubes. Size of Q-hanger: 1.37 x 1.14 inches, The length of stainless steel screw is 0.86 inch. Size of plastic tube: 1 x 0.23 inches. 100% SATISFACTION SERVICEIf you have any question, please tell us right away.