[Safety Buckle Design] String light hooks are fitted with elastic metal buckles, which can improve the safety performance of the hook. so you don't need to worry about items falling off the hooks in wind and rain.[Sturdy & Durable] Outdoor light hooks are made of premium steel with anti-rust coating, which can be used indoors and outdoors for a long time under various climatic conditions. Ceiling hook can withstand 40 pounds (approx. 18.1 kg).[ Value Package] You will get 30pcs Q-hooks and 30pcs drywall anchors, plastic tubes can make your installation firmer. Plant hanger hook set packaged in a durable plastic case for easy carrying and storage.[Easy to Install] Christmas light hanger hook is perfect for all solid surfaces, such as wood, walls, ceilings, outdoor houses, etc. You only need to drill a hole in the surface, insert a plastic tube, and then screw the hook into the plastic tube. Installation on wood can be directly screwed into without drilling holes.[Universal Hook] Cup hooks can be used to hang Christmas lights, wind chimes, feeders, birdhouses, lanterns, flower pots, ropes, chains, candle holders, street lights, etc.size:56mmMaterial:Metalcolour:BlackPackage Contents:30 x Screw Hooks30 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.