AMP Research 74805-00A Silver BedXTender HD Sport Truck Bed Extender for 2007-2018 Silverado & Sierra with Standard Bed

V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau cover rails. Flip it out with the tailgate open to gain up to 2-feet of enclosed cargo area. Flip it inside and close the tailgate to keep tools and smaller cargo contained in the truck bed.