The shower arm features an elegant and minimalist, adding aesthetic appeal to your bathroom and creating a modern vibe. The shower arm is made of 304 stainless steel, featuring rust and corrosion resistance as well as exceptional sturdiness and durability. The shower arm features standard U.S. 1/2 NPT tapered threads and is compatible with most universal rain shower heads. Easy Installation: Wall-mounted. The shower head extension arm can be installed with a simple twist – no tools needed, no plumber required, and the whole process takes just minutes.