Durable Iron Material: Made of high-quality iron material, it is durable and not easy to deform, and can be used for a long time. The black coating is classic and appropriate, matching all home decoration styles. Transparent Adjustable Screw: Comes with an adjustable transparent screw, which allows you to conveniently adjust the mounting position and waterproof level. Easy to Use: No other tools are required. Simply drill a hole and insert the expansion tube. Then insert the screw into the mounting and screw it into the tube. Finally, screw on the wire holder and secure the wire by tightening the plastic screw. Versatile Use: The hanging hooks can be used as ceiling hooks to minimally position the long wire for a chandelier to create a unique chandelier style. They can also be used as a great cable management solution, ensuring a well-organized wall. What You Get: The package includes 6 light hooks with assorted extensions, enough to meet your daily needs. (Hook cap diameter: 14 mm,