Versatile use: It can serve as a high-end, luxurious interior decoration, or enhance the rustic charm of your heavy barn doors, gates, sheds, or garages. Suitable for glass doors (thickness between 1/4 inch and 1/2 inch) and wooden doors (thickness between 1-3/8 inch and 23/16 inch). Premium steel door handles: Sleek, streamlined design, robust and durable stainless steel door handles, combining premium stainless steel and scientifically selected metal materials, easily complete any home project. Quantity: Each set of door handles contains one pair for the inside and outside of a single door. If you want to install back-to-back door handles for a double door, you will need two pairs. Easy installation: You don't need to spend a penny on professional installation, as the package includes two sizes of installation hex wrenches and a complete spare parts kit, along with clear instructions to easily complete the entire installation process.