Lund Genesis Tri-Fold Tonneau Features: Comes Completely Assembled/Installs In Under 2 Min Double-Sided Fabric w/Black Matte Finish Is Tear Resistant and Of Superior Quality All Black Rails/Bows w/Strong; Rigid Extrusions Provide Classy Look; Durability; Ease Of Operation Easy To Use Clamps w/Quick Attach Cam Action Desig Provide Tension and Security to The Cover Incl. Adapter Kit For Use On Cargo Mgmt Systems Height: 4.00 Width: 30.25 Length: 73.75 Fitment: 2007/GMC/Sierra 1500 Classic/SLT Extended Cab Pickup 4-Door/6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated::Bed Length = 69.2, Bed Side = Fleetside^^2007/GMC/Sierra 1500 Classic/SLT Extended Cab Pickup 4-Door/5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated::Bed Length = 69.2, Bed Side = Fleetside^^2007/GMC/Sierra 1500 Classic/SLT Crew Cab Pickup 4-Door/6.0L 5967CC 364C...