Dee Zee Guardian Tonneau Cover Model DZ19551Dee Zee Guardian Tonneau Cover Model DZ19551 Introducing a sleek aluminum hard top tonneau system for full size trucks. With a weight rating of 800 lbs., you can transport tents and other gear on top of the cover, or the lockable rear panel opens effortlessly with dampened gas shocks. It features outer extrusions to add moveable tie downs or position crossbars to meet your unique needs. Maximize your truck's potential with the Dee Zee Guardian Tonneau