Deezee Universal Cargo Management Hex Overland Top Rails Mid SizeDee Zee Overland Top Rails Complete the overland look to your midsize truck by adding Top Rails to tie together Dee Zee's front and rear cab racks. The Hex Series design with Dee Zee aluminum cab racks (sold separately) allows you to mount things above your truck bed. This kit gives you two full length rails (front to back) and two cross rails that connect using the extruded channel. The cross rails can be move forward and backward along the side