Extang Express Tonno Roll-up Truck Bed Tonneau Cover | 50645 | fits Chevy/GMC Silverado/Sierra (5 ft 8 in) 07-13 works with/without track system Repels Water And Protects Your Truck Bed/Cargo From The Elements Quick Release Levers At The Cab And Tail Rails Heavy Duty Bows Are Pre-Positioned and Roll With the Tarp Rolls Up to the Cab For Convenient Access and Easy Storage Rails Are Pre-Drilled for Easy Installation. No Tools Required