1. SHOWER EXPERIENCE: Adjustable shower arm fits any shower head or hand shower. Fixed shower head overhead, you can enjoy a wonderful downpour that is flowing down over your full body. Note: As the thread of the adjustable arm connecting to shower arm is stationary, it only allows you to adjust for a proper height but can't move left and right! 2.STURDY MATERIA: Contrusted of solid brass, anti rust, anti leak and ensuring longevity. NOTICE: The notch in the adjustable arm knob is normal design for process production requirement, please rest assured to use. NOTE: This adjustable shower arm is not available for 16'' shower head ! ! ! 3.NO PLASTIC PARTS: Our shower arm is made of high quality brass with a High Chrome Finish. 4.EASY TOOL-FREE INSTALLATION: Our universal shower Arm quickly connects to any standard shower head within 5 mins. EXTRA Teflon Tape: Teflon Tape and came with Black leakproof pad to help with fitting the moment it arrives. NOTICE: Only use standard size shower arm or wrapped teflon tape on it, that you can tighten to the adjustable shower arm well.