This is the Complete Rudder Assembly for use on the / AquaCraft Mini Thunder Round Nose Hydroplane RTR (AQUB16**). / / FEATURES: Nylon construction / Black in color / / INCLUDES: Rudder / Rudder Control Arm / Rudder Support Brackets with Splash Guard / Rudder O-Ring / 2x7mm Flanged Button Head Screws / / REQUIRES: Installation on the boat