Attaching a High Lifting Jack directly to the top of your Rhino-Rack Pioneer System has been made simple with the Pioneer High Lifting Jack Holder Bracket. Securely attach your High Lifting Jack in place with our strong, durable and corrosion resistant powder coated steel bracket. The Pioneer High Lifting Jack Holder Bracket will fit Pioneer Systems of all different sizes which is another reason Rhino-Rack creates the most useful roof rack systems in the world.