Extang Tuff Tonno  Truck Bed Tonneau Cover | 14650 | fits Chevy/GMC Silverado/Sierra (6 1/2 ft) 07-13, 2014-2500HD & 3500HD, works with/without track system Tarp Can Be Quickly Rolled Up To Haul Large Cargo Unique J-Channel Gives Your Tonno Great Looking, Clean Edges Perfectly Sewn Tight Fitting Tarp With Anti Curl Corners Quickly Gives A Snug Tight Fit Simply Release Levers On Rear Corners To Open