Access 12319 Tonneau Cover Fits:2014-2018 Chevy/GMC Full Size 1500 5' 8" Box Dual Locking System Patented AUTOLATCH II features an automatic dual locking system that releases both locks with one smooth downward pull. The heavy duty nylon latch provides a 1/2 inch of surface for a solid positive latch engagement of each end of the rear bar. Seals on all 4 sides Extra ELEMENT SEAL Gasket at front of truck bed provides additional protection. Integrated front and rear vinyl seal. Waterproof foam gasket between rails and truck bed. TIGHT BITE Clamps Installs in minutes. Specifically cut "teeth" maintain a superior grip and exceptional strength. Reliable Fastening System Hook & loop fastening system provides a high strength seal that runs the full length of bed. Easy one person operation. Tension Adjustment The XT-DIAL Tension Adjuster features an easy grip tension adjuster which enable direct tension control with the turn of a dial. No tools - No hassle. Fine tune the tension of the tonneau cover.Premium Storage Straps Our premium straps feature a cab guard design that prevents the tonneau cover from rubbing on the cab. Super tough nylon straps secure the rolled up cover. Slantback Rear Design* Make sure it's the original roll-up cover with our exclusive Slantback Rear Design. *The Slantback Rear Design is a registered U.S. Trademark of Agri-Cover, Inc.