TimberTech RadianceRail Composite 4" x 4" Matte White Post Cap is an essential component designed to complete your railing system with style and durability. This post cap complements RadianceRail Express Packs and Classic Composite Series Rail Kits, ing versatile design options that enhance any outdoor living space, deck, or home exterior. Crafted from capped composite material, it ensures long-lasting beauty and low maintenance, standing up to the elements year after year. Designed to fit ly over a TimberTech 4-inch by 4-inch post sleeve, this Matte White post cap not only protects your posts but also adds a polished and cohesive finish to your railing system. When paired with TimberTech post sleeves and skirts, it creates a seamless and attractive look that s your outdoor décor. Model Number: TX4X4PCAPMW