Extang Revolution Roll-up Truck Bed Tonneau Cover | 54780 | fits Lincoln Mark LT (5 1/2 ft) 05-08 An Incredible Roll Up Tonneau Cover With A Revolutionary Design Automatic Tension Design For Quick Latch And Go Operation Provides A Stylish Near Flush Fit Side Rails Are Pre-Drilled for Quick and Easy Clamp Placement Automoatic Tension System Keeps Tarp Tight And Looking Great