Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Winterizing and Center on vessel

and Center on vessel

150-250 kHz H Frequency

Leading Edge provides a graphical illustration of sonar beams as they intersect with bottom contours

Input: 12V

Same as Cole Hersee part number M-850

Ronstan Series 40 Ball Bearing Block - Double - Swivel Head [RF40200] Winterizing and Center on vesselSeries 40 Ball Bearing Block Double Swivel Head Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Applications: Mainsheet Halyard Vang Spinnaker control lines