TimberTech RadianceRail Express Composite 4" x 4" x 39" Matte Espresso Post Sleeve is a versatile and durable solution designed to enhance the look of your outdoor living space. ly compatible with RadianceRail Express Packs and Classic Composite Series Rail Kits, this post sleeve endless design possibilities to match your style. Crafted from capped composite material, it provides long-lasting beauty with minimal maintenance, resisting fading, staining, and rotting. The Matte Espresso color adds a timeless elegance that complements any deck, home exterior, or outdoor area. Designed to fit over a pressure-treated 4x4 or other structural posts, it not only protects the underlying structure but also delivers a sleek, polished finish to your railing system. For a complete and refined look, pair it with a 4" x 4" TimberTech post cap and post skirt to enhance your railing’s overall appearance. Model Number: AZT4X4PCV39ME