Bestop 19182-01 EZ-Roll Tonneau Cover for 2007-2018 Toyota Tundra (w/ and w/o deck rails), 5.5' bed Automatic tensioning system keeps fabric taut and smooth Factory-style pull-tab releases at both rear corners for convenient operation Adjustable mounting clamps allow easy installation directly to bed with no drilling more tools Features black aluminum rails and weather-resistant premium-grade fabric Integrated cross-bed fabric supports for smooth appearance