The BakFlip CS-F1 hard folding truck bed cover and sliding rack system is the absolute perfect product for contractors, sports enthusiast or anyone looking for an impact resistant folding tonneau cover and a rack at the same time. Whether you're a plumber or a surfer, an electrician or a kayaker, the BakFlip CS-F1 is designed to provide the ultimate high-end functionality and security of a great tonneau cover and an extremely well made rack. The rack system itself integrates into the BakFlip rails and can slide up and down with the simple twist of an included T-key. Locking the rack down after sliding it to any desired position is just as easy. The rack uprights easily slide off for time when you want a clean looking ride, or can simply slide all the way forward and be kept neatly behind your cab. The BakFlip F1 tonneau cover provides ultimate security, impact resistance, refinement and good looks. It folds open easily whenever you need full access to your truck bed too. The CS rack is designed to handle 500 lbs. of weight while BakFlip F1 handles almost as much evenly distributed weight on top of it. Included in the BakFlip CS-F1 tonneau cover system are sliding tie downs. Sliding load locks to grip ladders and lumber etc., are extra.