Material: Die-casting Aluminium, with die-casting technology, this item has high strength parts and very good surface finish and accuracy, which means good corrosion resistance, low density, high dimensional stability.Size: Please beware the size of this curtain tieback hook is 6 inch in Length. The depth for holding the curtain is approx. 3 inches. It will not cover hold the whole curtains if the curtain is thick. (Check review pictures could see how it looks like after install). Also the Extends is 2.6" from wall and measures 6" wide. Please make sure there is enough space for you to install the hook on wall. You can see the listing picture (pic. 2) for details. Thank you.Anti-Scratch : This curtain hook is made of high quality material and super great spraying technology, simple but with high quality, anti-scratch performance is Perfect. You can see the videos for details.Multifunctional: Not only for hanging curtains, also can be used for haging curtain rod, coat or other stuff. The customers are genius! Definitely a Great Buy!Very Important Note of Customer Service: We have sell this item for almost 4 years on Amazon, we can say this is the best curtain tieback you can find on Amazon with the best price. If any problems, please just contact us, we'll 24 hours standby and solve the problem for you.Easy Installation: The display could be horizontal or with angles, just make sure there have a 6-inch length space for the mounting. First drill holes with a 15/64th drill bit, punch the plastic anchor into the hole, hold the tieback close to the hole and then screw the metal screw into the anchor.