Extang 84655 Tonneau Cover - Solid Fold 2.0 Toolbox Series - Fits Chevy/GMC Silverado/Sierra (8 ft) 07-13, 2014-2500HD & 3500HD, works without track system All-new lightweight 1" thick heavy-duty panels New TPU rubber corners, hinge caps and snap-on seals Sleek OEM matte finish and textured powder coated aluminum frames