Achim Home Furnishings Metallo Avalon Curtain Rod and Finials, 48 Extends to 86-Inch, Black/Gold Diameter of the all metal rod is .75 in. 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 4.5 in., Tools required for installation: Screwdriver and drill Diameter of the all metal rod is .75 in. 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 4.5 in. Tools required for installation: Screwdriver and drill