Garmin GRF 10 Rudder Feedback Sensor Extension Cable 5m. This Garmin GPS Extension Cable is an integral part of your Rudder Feedback Sensor Installation Kit and it is essential for getting a reliable reading. You can add as much as 15m of length to your cable depending on which type of metric unit you use. And with the caliber-grade quality of Garmin products you can expect the same great quality in all of your Garmin products. Package Contents: Garmin GRF 10 Rudder Feedback Sensor Extension Cable Garmin 010-11829-01: GRF 10 Rudder Feedback Sensor Extension Cable 5m