Extang Express Tool Box Roll-up Truck Bed Tonneau Cover | 60725 | fits Ford Super Duty Long Bed (8 ft) 99-16 Easily Bridges The Toolbox To Tonneau Gap L-Channel design also provides for rain drainage Fits Most Standard 20 in. Tool Boxes Instant Truck Bed Protection With Top-Notch Looks And Performance Most Convenient And Easy To Roll Up Style