Trex Signature 8-ft x 42-in Charcoal Black Aluminum Deck Stair Rail KitTrex Signature Charcoal Black Aluminum Deck Stair Rail Kit The Trex Signature Charcoal Black Aluminum Deck Stair Rail Kit offers durable, stylish protection for your outdoor spaces. Made from powder coated aluminum, this railing kit resists corrosion and retains its color beautifully, blending seamlessly with any exterior decor. Installing this stair rail kit is quick and easy with common tools, saving you time and effort while ensuring compliance