Extang Revolution Roll-up Truck Bed Tonneau Cover | 54480 | fits Ford F150 (6 1/2 ft bed) 15-18 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; Cover Material: Heavy Duty Vinyl ; Finish: Vinyl Grain; Mounting:Inside Mount, 1/2" Tall Side Rails Are Pre-Drilled for Quick and Easy Clamp Placement Automatic Tension System Keeps Tarp Tight And Looking Great