If you're looking for some more low-speed maneuverability or improved
high-speed tracking then here's your answer Berkeley manufactures two models of
bolt-on rudders The first is an entry level economy plastic rudder, while the
second is a sturdy cast aluminum version of the same rudder Note: The plastic
unit will not survive in aggressive boating situations If you want durability
then you need an aluminum rudder Rudders sold complete with pin and hardware.