Extang Express Tonno Roll-up Truck Bed Tonneau Cover | 50950 | fits Toyota Tundra (6 1/2 ft) 07-18 (works with/without rail 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