Signature Hardware 926458-20 Ornate 19-5/8" Wall Mounted Standard Shower Arm and Flange Increase the reach and comfort of your shower with the Ornate Shower Head Extension Arm, which mounts to the wall and makes a beautiful finish for your project. Crafted of brass, this attractive shower arm features a decorative 90-degree ball elbow and a welded flange. - Constructed of brass ensuring durability and dependability1/2" IPS connections are female to source and male to shower head - Includes matching flange - Installation requires a 1/2" pipe nipple positioned 1/2" past the finished wall