Crafted from heavy-duty cast aluminum, this versatile post cap is designed to fit three standard post sizes: 4"x4", 3.5"x3.5", and 3.25"x3.25". Its robust construction ensures long-lasting performance, while the sleek, modern design adds a touch of sophistication. Perfect for enhancing the appearance of your fence, deck, or posts, the Classy Caps 4x4 Aluminum Post Cap not only protects your posts from weathering and decay but also elevates your exterior decor. Easy to install and maintenance-free, this post cap is the ideal finishing touch for any project.