Dee Zee Guardian Hinge Slide Kit Model DZ99787Dee Zee Guardian Hinge Slide Kit Model DZ99787 When you have a hard tonneau cover on your truck and items like a tent, bikes, or other gear mounted on top, accessing your truck bed can be difficult. Dee Zee has created a patent pending solution. The hinge slide kit allows the rear section of the tonneau cover to be lifted without removing the gear mounted on top of your Guardian Tonneau Cover. Features: Made from Strong Lightweight Aluminum Extrusions