Naiture 18" Brass S-Style Shape High Rise Raise Bend Shower Arm with Flange and Support Bracket, Extender Tube Shower Head, Chrome Finish Made of solid brass which will never get rust. Fits all standard shower heads. Finish: Chrome Length: 18 Inch; Height: 11-1/2 Inch IPS: 1/2 Inch This 18" long shower arm allows you to raise your shower head six inches, giving you more room underneath.