The Wilderness Systems Rudder Kit helps you gain control and efficiency in wind or fast current. The rudder blade has a foil-shape for more efficiency and less drag in the water. The Wilderness Systems Rudder Kit is the factory rudder for Wilderness Systems kayaks. This kit includes all the necessary parts, hardware, and instructions to install a rudder on your boat. For use on Wilderness Systems tandem kayaks, you will also need the Wilderness Systems Tandem Rudder Kit Module.