High Quality Shower Arm6-inch quality stainless steel arced shower arm in Brushed Nickel finished,decorative flange included. DesignU.S. standard plumbing (NPT 1/2"-14 male thread to wall,IPS 1/2" male thread to shower head),fit for most swivel ball joint rainfall and stream shower head,smooth inner for high pressure shower experience. Flange2.76" x 2.76" square flange with rubber gasket will not scratch shower arm body,and can stay at any position on this shower arm,so you can install it deeper in the wall. DiameterOutside diameter 0.8",inside diameter 0.67",strong and durable,45-degree down towards floor. InstallationShower arm and flange included. Designed to install quickly with no hassle. No plumbers or tools required. AFTER-SALES SERVICE In case of any problems or complaints during use or installation,please don’t hesitate to contact us and we will respond with solutions within 24 hours. It’s always our persistence and belief to provide high-quality products and satisfactory customer services..