This S-shaped shower arm is made of 304 stainless steel, which ensures durability and rust resistance. It is equipped with a 2.36 in. flange with rubber to avoid scratches. The high-rise shower arm has dimensions of 16.65 in. length, 11.81 in. extra height, and 0.87 in. diameter, capable of supporting a rainfall shower head under 20 in. The distance from the installation hole to the ceiling should be more than 12 in. This shower arm extension can add about 16 in. to the length and 11 in. to the height of the existing shower head, providing a more flexible rainfall shower space. It fits US plumbing standards, with a 1/2 in. -14 NPT male thread connecting to the plumbing and a 1/2 in. IPS male thread for the rainfall shower head. Color: Gold.