Designed with a very sleek, aerodynamic, sporty style that is functional and looks great on any truck. Mild ribs and a subtle curved spoiler give the Undercover SE tonneau covers a unique look that has never been seen before on a tonneau cover. Undercover SE Tonneau Cover has a new hidden hinge giving any Truck a tighter fit and easy removal of the cover without any use of tools. With or without a key, the secure, weatherproof Twist-Lock makes it possible to open the cover. Undercover SE Tonneau Cover has a great placement of the lock that allows ease of use.