New Dodge RamBox pickup truck beds give owners unique and secure storage for cargo. Roll-N-Lock Corporation now offers their world famous retractable hard tonneau cover for this new application. Designed specifically for the RamBox bed style, the new Roll-N-Lock® application utilizes a mounting flange system that bolts to the same holes as the Dodge cargo rails for a quick and effortless installation. The unit features such innovations as a torsion spring drive mechanism enclosed inside an aluminum housing which also offers an integrated cargo shield and a new hinged lid for easy maintenance access.