Freedom 4-in x 4-in White Nylon Deck Post CapFreedom White Nylon Deck Post Cap Enhance the elegance of your outdoor space with the Freedom 4 in x 4 in White Nylon Deck Post Cap. Designed to perfectly fit over 4. 25 inch aluminum posts, this post cap is both functional and stylish, offering a neat finish to your decking project while seamlessly integrating with Freedom aluminum railings. Key Features: Compatibility: Works well with Freedom aluminum railing systems. Size Fit: Designed for a snug