The Ocean Kayak Universal Rudder Kit allows you to gain more control and achieve better efficiency in wind or fast currents. If you paddle in windy conditions or moving water, adding a rudder to your kayak will make your paddling experience so much more enjoyable. The Ocean Kayak Universal Rudder Kit is the factory rudder kit from Ocean Kayak. Complete with instructions. Fits Ocean Kayak Trident 11 and 13, Prowler 13, Prowler Big Game Angler, Tetra 10 and 12, the Zest 2, and Drifters model years 2013 and newer.