The Foxwing Bracket Kit is an additional mounting bracket for your three bar system. The Foxwing Awning is sold with two brackets. If you have a three bar system, whether Heavy Duty or Vortex bars you will need this additional Bracket Kit to fit the Foxwing Awning. Made from powder coated steel this product will stand up to the toughest environment and will not corrode. Suitable for Rhino-Rack Heavy Duty or Vortex Bar.