The heavy duty spring tension decorative rod is the perfect rod for any window in your home. The rod can also be screw-mounted for a permanent installation. The rod is 3/4” diameter and fits rod pockets of 1 1/2” or larger. 1" diameter clip rings for hanging curtains from our intension rod. For wider windows, you can use the joiner (sold separately). The joiner allows you to connect multiple rods.