"Patriot Docks Straight Dock with Poly Decking is a great choice for permanent applications where the dock does not require removal and water depths stay fairly consistent. Stationary docks are often installed on lake shores with heavy vegetation or bogs. This boat dock has been made with a no-rust, ultra-strong, aluminum truss frame with drop-in decking panels, and fully adjustable galvanized dock supports. On the top of the dock, the drop-in deck panels are made of highly durable polypropylene with aluminum reinforcements and stringers. Below deck, this dock features heavy-duty galvanized pipe holders paired with 10""L x 10""W foot plates to ensure a sturdy stance in the water and ease of leveling. Professionally engineered, the lightweight aluminum framework (45 lbs.) allows for easy installation and years of use. Plus, these innovative modular 8'L x 4'W frames allow for any size and configuration. Mfrs. limited lifetime warranty on the aluminum frame. No-rust, ultra-strong, aluminum truss frame Drop-in polypropylene decking panels with aluminum reinforcements Heavy-duty galvanized pipe holders Sturdy footplates"