The Double Deep Top-Track system combines two Top-Track systems into one larger track shelving system. Connected side by-side shelving units, up to 10.5 ft. (3.2 m) long, roll along the overhead tracks. Includes 86" high posts (2184mm) high stationary posts, plated foot plates, and hardware necessary for connecting stationary end units to tracks. Shelves are sold separately. Each double deep stationary end kit includes 16 posts.