Bring style to your shower with the Niagara Conservation 6 in. Stainless Steel Shower Arm with Flange in Matte Black. The shower arm is constructed of high-quality stainless steel material that will last for years to come and includes a matching 2.25-in. flange. This arm mounts to the wall with a 0.5-in./14 connection for easy installation and is designed to work with and match in color any standard matte black showerhead.