Sleek, sturdy, and undeniably modern look, Trex Signature® Rod Rails are made of powder-coated aluminum for corrosion resistance and color retainment. The Trex Signature® Rod Rail Collection includes: 1 Signature Aluminum Post with post cap and post skirt; and 1 Signature Rod Rail Kit. The Signature, Rod Rail Collection Kit, is designed for and includes all Trex materials necessary for one (1) 6-ft railing section. Assembly is required.