BAK Revolver X2 Hard Rolling Truck Bed Tonneau Cover | 39310 | fits 2008-16 Ford Super Duty 6' 9" bed Tough Security - Revolver's patented locking rails secure the full length of the bed to keep your cargo safe and sound The easy to use Automatic Slam Latch can be operated from either side of your truck bed at the tailgate Revolver rolls up tightly behind the cab and gives you 100% bed access to haul anything in a moments notice and drivetrain is 4x4 wheel drive, 4x2 wheel drive Opening the Revolver is effortless! No lifting required thanks to our easy rolling design and heavy-duty hard aluminum construction capable of handling over 400 pound of evenly distributed weight The Revolver X2 maintains full access to Stake Pocket Holes allowing you to install several other truck bed accessories along with your tonneau