The Buono II Grace Decorative Rod Series combines elegant taste. Sophisticated styling. Fine quality and detailed craftsmanship. The elegant satin nickel PVC finials add the perfect touch to any window. Diameter of all metal rod is .75 in. and easily adjusts telescopically to fit any window. The set comes complete with matching, all metal hardware (brackets and screws) for wall or ceiling mount; Brackets can be adjusted to extend between 3.5 in. to 4 in. Tools required for installation: Screwdriver and drill.