Naiture 18-1/2" x 26" x 18-1/2" Brass Neo-Angle Shower Rod And Ceiling Support Chrome Finish Material: Brass Size: 18-1/2 by 26 by 18-1/2. Finish: Chrome Brass rods include rectangular Jumbo Rod Flanges and mounting hardware.Aluminum rods include round flanges and mounting hardware. Includes adjustable 1/4" diameter x 36" L. ceiling support. Sloped ceiling support sold separately The installation manual could be download yourself in product information.