General description The AlwaysH 30 Pieces Screw Hooks are versatile and durable hooks designed for both indoor and outdoor use. They are perfect for hanging a variety of items such as potted plants, Christmas decorations, lanterns, and string lights. Technical specifications Quantity: 30 screw hooks Color: Black Includes: 30 expansion tubes Installation Easy to install by screwing the hook into wooden or concrete walls using a hammer, wrench, or drill. For concrete walls, install the expansion pipe first for easier installation of the screw hooks. Usage Ideal for hanging outdoor lights, wind chimes, plants, birdhouses, curtains, Christmas string lights, decorative pendants, and more. Other information Note: Manual measurements may allow for a 1-3cm error due to lighting and display differences. Color variations may occur; please refer to the actual item received.