Advanced structure: Made of sturdy stainless steel,with a long-lasting Chrome plated surface,resistant to corrosion and discoloration,to ensure the long-lasting performance of your bathroom Universal : The inlet end adopts a standard 1/2-inch NPT thread,and the outlet end adopts a standard G1/2 thread connection,which is compatible with most shower heads,extension arms and wall sockets,and is easy to integrate Optimal Length: 8-inch shower arm provides ideal extension from the wall to position your shower head at the angle and distance for a comfortable showering experience Complete installation kit: The kit includes a shower arm,a decorative cover for covering the opening of the wall,and a threaded sealing tape for watertight,leak-installation Modern aesthetics: The smooth curved design in chrome finish adds a modern touch to your bathroom decoration while working with 5-inch,10-inch and other sizes of shower heads.