Ski rudder over stern kit. Includes metal housing with bayonet pin, 34 cm foil blade. rudder line retraction kit, cool rudder wedgies, over stern adaptor post (to be used with yoke) and up to 2 meters of steering line. 
Kit is used to outfit a surf ski or sit on top kayak with rudder. (Must have under stern rudder sleeve and yoke already installed on boat).
Rudder stores slightly above horizontal beyond the stern of the boat when not in use.