One-Piece Tonneau Cover is painted to match the vehicle. Durable dual-wall construction includes an inner liner and an outer liner to help prevent cracks. This cover raises with the help of two gas-assisted dampers. Tonneau features a built-in tailgate lock for added security. Custom designed to match your trucks styling. Mopar 6.4` Fiberglass Tonneau Covers cannot be installed on Ram 3500 Dually applications (s/c: DRX).