Dee Zee Hex Series Tonneau Cross Rail Kit 68" Wide Model DZ99782TBDee Zee Hex Series Tonneau Cross Rail Kit 68" Wide Model DZ99782TB Dee Zee Hex Series Universal Cross Rails Adds unlimited functionality to mount accessories above your truck bed. Made of extruded hexagonal aluminum, the Cross Rails mount using a stanchion bracket securely into any t channel. The cross rails can be psitioned anywhere along the length of your truck bed by loosening stanchion bolts. Cha nnels allow you to customize the mounting of