Height adjustable single bar that can be used as a light bar, ladder rack, and more. Compatible with selected tonneau covers and truck accessories. Part of the MOAB Bed Rack System Bundle. If you previously purchased the MOAB Chase Rack, you can add this bar to your set up to upgrade to a Bed Rack System and enjoy a new variety of configurations. Made of heavy duty carbon steel and protected with multiple stages of powder coating. Assembly can be completed with basic tools and light mechanical skills.