Rectangular Tube Hangrail Bracket. This rectangular tube hangrail bracket features a matte black finish for a contemporary look. The Pro Series rectangular hangrail bracket makes a perfect addition to the Pro Series pipe outrigger. Create your custom displays using outriggers, hangrail brackets and more today! Use with 1/2" x 1 1/2" rectangular tubing sold separately. This product is a part of our line of Pro Series Pipe Clothing Racks.