MODONA Adjustable Rain Shower Arm will help you transform your bathroom into the bathroom of your dreams. This is a REVOLUTIONARY new design, a 1-piece adjustable shower arm that attaches directly to the water supply and REPLACES your old shower arm. The shower arm is a total of 17 in. L and can be easily adjusted up and down to accommodate different heights. The diameter of the pipe is 3/4 in. (much bigger than normal 1/2 in.), which will allow much stronger and fuller water flow and rain shower experience. 2 in. handles make adjusting the height a breeze. The tightening mechanism uses special washers that will enable the shower arm to lock into position tight and hold even the heaviest shower head GUARANTEED. The Wall Fitting is reinforced 1/2 in. NPT (Tapered) for a perfect, water-tight fit. Includes plumbers' tape, installation wrench, screen washer and detailed installation instructions; easy to install, no special tools required. This unit is available in POLISHED CHROME, SATIN NICKEL and RUBBED BRONZE. All MODONA products are covered by our comprehensive 5 year warranty. Material: Stamped Steel.