Simrad RF300 rudder sensor. Very good used condition. Has short wiring harness and includes B&G marine junction box to splice into as needed. Also includes short linkage rod. If nothing else it's nice to have the plastic ball joint end pieces as extras/ spares. 

Tested on live system and works perfect. Shown working with display in last photos for demonstration only. The display is NOT INCLUDED! 60 day warranty!

Fast free USA shipping, $20 worldwide!