"The Patriot Docks 32' Straight Roll-In Dock with Aluminum Decking is designed to provide the ultimate shoreline experience. The expertly crafted 12""-deep aluminum truss frames are built with welded and bolted connections for enhanced durability. The 7/16""-dia. aluminum chord rods are thicker than most of our competitors' 3/8"" rods. The pipe is made of 1-1/2"" schedule 40 electro-galvanized steel, providing superior strength compared to lighter weight steel tubing. The pipe brackets are extra-long and secured with 2 stainless steel set bolts, ensuring a secure and stable dock. Mfrs. lifetime limited warranty. This rolling boat dock can be easily moved in and out of the water Modular dock frame is both strong and lightweight Deck panels made of textured aluminum High-density polypropylene wheels Simple and easy to assembleIncludes: 4 frames (8'L x 4'W) 1 end rail, 4 post brackets 2 foot plates Two 4' posts Three 6' posts 1 axle converter pair 2 plastic dock wheels 1 wheel stop clamp pair 4 vinyl caps 8 panels (4'L x 4'W)"