Premium Screw-in Hooks: Practical safety buckle design screw-in hooks compatible with indoor outdoor use, allow compatible with your items to be easily hung or removed while holding items in place in all weather conditions, great compatible with securely hanging and organizing items: planter, flower pot, bird feeder, mugs, pictures, utensils, wreaths, tools and more.Upgrade Hooks compatible with Outdoor String Lights: Struggling with hanging holiday lights or other outdoor decorations Our safety buckle design hooks are designed to be used compatible with anyone. Holiday lights, outdoor wire and other decorations are easy to hang securely with these handy hooks, and they never slip, even in windy weather.Material Features of Ceiling Plant Hook: Carbon steel construction make it sturdy and durable, glossy without burr, the maximum load-bearing capacity is 40 lbs. While the eco-friendly black vinyl coating makes our eye hooks have excellent rust resistant and high corrosion resistance, our screw in hooks are made to last.Easy Installation: 1. Installs directly into wooden surface, sharp screw point bites into wood easily and quickly, just twist into place. 2. If you want to use these black cup hooks from drywall, pre-drilling may be required, 1/8in drill bit is recommended. The overall hook is 2.2inch, thread is 0.75inch, loop is 3/4inch, and the opening is 1/2inch;More Usage Scenarios: Hanging plants, holiday lights and outdoor string lights are a great way to spice up a room and garden. These useful clip hooks are commonly applied compatible with hanging plant, christmas light, lanterns, wind chimes and other fixture hanging and mounting. perfect compatible with home, garden, kitchen, patio, garages and other storage areas.Colour: blackMaterial: metalPackage Contents:30 x hooks (with expansion nails)Only 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.