Truxedo 881101 The Edge Tonneau Cover Features: Stylish Look And Quality At A Completive Price Aerodynamic Design Arched Back Improves Look Of Truck No Drill Installation Adjustable Tension Control One Finger Release Quickly Opens Cover Aerodynamic Design Improves Gas Mileage 5 Year Warranty Height: 5.25 Width: 9.50 Length: 79.00 Fitment: 2007/GMC/Sierra 2500 HD Classic/WT Standard Cab Pickup 2-Door/8.1L 496Cu. In. V8 GAS OHV Naturally Aspirated::Bed Length = 78.0, Bed Side = Fleetside^^2007/GMC/Sierra 2500 HD Classic/WT Standard Cab Pickup 2-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Bed Length = 78.0, Bed Side = Fleetside^^2007/GMC/Sierra 2500 HD Classic/WT Standard Cab Pickup 2-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::Bed Length = 78.0, Bed Side = Fleetside^^2007/GMC/Sierra 2500 HD Classic/WT Extended Cab Pic...