Back Rack Open Racks are made from the highest quality materials, and guarantee to deliver superior functionality and durability. Thanks to their simple and open design, the Open racks allow you to secure your cargo fast and effortlessly. Plus, these exceptional racks are compatible with tonneau covers. Back Rack Open Racks install easily â no drilling is required on most late model trucks. However, you may have to drill some holes if you want to mount a toolbox on the bedrail.