Rectangular Tubing Slatwall Hangrail. This Rectangular Tubing Slatwall Hangrail is great for use as an all-in-one garment hanging section - no need for separate brackets and hangrail. This Rectangular Tubing Slatwall Hangrail consists of 1/2" x 1 1/2" rectangular tubing with a gloss black finish. The Rectangular Tubing Slatwall Hangrail measures 25 1/2" overall outside width, and 23" of hang space. In stock.