TimberTech RadianceRail Composite 4" x 4" Matte Black Post Cap is an essential component designed to complete your railing system with style and durability. This post cap ly complements RadianceRail Express Packs and Classic Composite Series Rail Kits and Packs, ing versatile design options to enhance your outdoor living space. Crafted from capped composite material, it ensures long-lasting beauty and low maintenance, making it an i choice for decks, patios, and home exteriors. Available in a timeless Matte Black color, this post cap fits securely over a TimberTech 4-inch by 4-inch post sleeve, providing both protection and a polished look. When paired with a TimberTech post sleeve and post skirt, it creates a cohesive and stylish finish that s the overall appearance of your railing system. Model Number: TX4X4PCAPMB