Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Brand_Raymarine This plastic thru-hull mount transducer

This plastic thru-hull mount transducer performs well at high speeds

because it uses the vessel's own power supply to operate the powerful oil reservoir mounted flexible impeller pump

Background colors can be customized to nearly any color preference to provide the contrast and visibility that work best in any lighting condition

Mainsheet systems and spinnaker sheets on dinghies to 5M(16')

8-pin transducer to 12-pin sounder adapter cable

Ronstan Series 40 Ball Bearing Block - Single - Universal Head [RF40100] Brand_Raymarine This plastic thru-hull mount transducerSeries 40 Ball Bearing Block Single Universal Head 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. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Captive Lock