Coretto Drapery Tension Rod set by Umbra includes a 1/2-Inch diameter telescoping rod in a nickel finish. The rod mounts on the inside of the window frame. No screws or hardware required. Designed to fit a range of window sizes, the rod extends from 24-Inch to 36-Inch long. Designed by Matt Carr for Umbra- original, modern, casual, functional and affordable design for the home.