Naiture Brass 20" Straight L Shaped Extension Shower Arm with Flange, Extended 90 degree Arm Perfect for Rainfall Shower Head, Polished Nickel Finish Made of solid brass which will never get rust, this shower arm elegantly fits standard shower heads. Finish: Polished Nickel Length: 20 Inch; Height: 6" IPS: 1/2 Inch This 20" extended shower arm conveniently allows your mounted shower head to hang further from the wall.