The Orhemus 6 Inch Shower Arm And Flange Is A Wall-Mounted Shower Arm ?PREMIUM BRASS?The shower arm is premium solid brass construction, durable and not easy to crack or deform, ideal for prolonged contact with water. Ensuring quality and longevity. ?BEAUTIFUL FINISH?The shower arm and flange are amazing matte black finish, rust-resistant, resists daily corrosion. It is stylish and matches all of the black or bronze faucet, drain and other accessories in your bathroom. (Please search ASIN B089N5TMNL for the same style matte black shower head if you need.) ?SHOWER ARM REPLACEMENT?The shower arm is 6 inches in length with elegant bend design. Flange included. Pipe diameter is 25mm, and the circle flange diameter is 60 mm. It is clean, modern that will enhance the decor of your bathroom. Not only the great look, but also the durable brass material that makes it a perfect replacement for years to come. ?STANDARD CONNECTION?The shower arm is 1/2? NPT, standard male threaded connects to the wall and 1/2" IPS male thread connects to shower head. It is US Plumbing Standard for Bathroom Shower System. ?EASY INSTALLATION?Easy to install in minutes - just twist it on. Easily and securely connect to your shower head.