The Fast Fit Carlin 5/8"" No Measure Curtain Rod by Kenney uses your window casement to line up and install the curtain rod brackets. To install, place the bracket into the slot of the plate bracket, position the innovative bracket onto the top of the window casing (spike down) and tap the included tacks into place with hammer. The Fast Fit No Measure Curtain Rod provides excellent support, up to 25 pounds. The telescoping metal rod adjusts from 36 inches to 66 inches or 66 to 120 inches to fit your window and projects 3 inches from the wall. A 5/8 inch diameter curtain rod is recommended for use with light to medium weight curtains in your bedroom or living room. Drapery Hardware Set Includes: one telescoping steel curtain rod with decorative finials, two brackets, one center support, tacks, and installation instructions.