Extang Express Tool Box Roll-up Truck Bed Tonneau Cover | 60445 | fits Chevy/GMC Silverado/Sierra 1500 (5 ft 8 in) 2014-18, 2019 Silverado 1500 Legacy & 2019 Sierra 1500 Limited 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