Patriot Docks 10957 Gray Aluminum Dock Section 4 x 4 Patriot Docks offers aluminum dock sections in a variety of sizes and materials. They are constructed to be easily installed or removed. Each aluminum dock section secures easily into the aluminum dock frame. The gray aluminum dock sections are made with lightweight aluminum and are coated with two-tone powder to keep the dock surface cool during those hot summer days. The coating also has a light grit that provides additional traction for you