Bestop 19135-01 EZ-Roll Tonneau Cover for 1999-2016 Ford F-250/F-350, 8.0' 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 Features black aluminum rails and weather-resistant premium-grade fabric Integrated cross-bed fabric supports for smooth appearance