Trex Signature 6-ft x 36-in Charcoal Black Aluminum Deck Stair Rail KitTrex Signature Aluminum Deck Stair Rail Kit The Trex Signature Aluminum Deck Stair Rail Kit combines sleek design with robust durability, perfect for professional contractors and DIY enthusiasts looking for low maintenance railing solutions. This powder coated aluminum kit resists corrosion and retains its color for years, ensuring your deck staircase maintains a polished look. Key Features: Powder Coated Finish: Ensures long lasting color retention