Versailles Double-Up Curtain Rod in Silver Finish: Silver Instantly create a double rod with any existing flat bracket rod Easy, no tool installation, and goes up in seconds Custom end-mount support finial is specifically designed create a continuous back rod by lining up face-to-face One (1) Double-Up rod required for 28" to 48" rods; Two (2) Double-Up rods required for 48" to 86" and 66" to 144" rods