YAWALL Shower Arm ,Universal Showering Components Shower Bar for 6'', 8'' Bathroom Rainfall Showerhead Showerhead bar's standard size is 1/2 inch,Fits Standard U.S. Plumbing Connections. Fits standard 1/2-Inch shower heads threaded. Beautiful Design and Polished Chrome Finish. Attaches to showerhead more easier and securer,easy installation. Wall mounted; Angle and Easy Reach for 6 inch,8 inch Showerhead.