Ravenna Satin Nickel Rectangular Tubing End Cap. Fits #7484 and #7485 1/2" x 1" Rectangular Tubing (sold separately). Use this satin nickel rectangular tubing end cap to give a finished look to your Ravenna Collection rectangular tubing. The tab end of this rectangular tubing end cap features a satin nickel finish to match the rectangular tubing, racks and other fixtures of the Ravenna Collection. This product is a part of our Ravenna Boutique Display Collection.