1/2": Universal standard 1/2 inch Connection to Wall Inlet, G1/2 Male Thread Connector to Showerhead, fits most US showerheads Easy Installation: Easily connects to the wall inlet and hand shower hose. Install in minutes Function: Drop ell connects to shower water pipe to supply water to hand showers. Can be used for replacement or for new construction installation Durable Brass Construction: Ensures quality and longevity, resists corrosion and tarnishing Modern Design: Square design for a more modern look, makes this wall supply elbow coordinates with nearly any style and adds a charming look to your shower