The Harken 29mm Clew Block is equipped with Part No
water speed and water temperature data to the NMEA 2000 network
clearly directing them to the GPS location where the MOB occurred with clear visual signals and bearing data
MS-AM504 4-Channel Marine Amplifier - 500W
Its sheave Ø is 29 mm (1 1/8 in)
Furuno DST-810MSF Bronze Thru-Hull, Digital Depth, Speed, Temp Sensor, NMEA2000 Boat J/88 The Harken 29mm Clew BlockDST 810MSF Bronze Thru Hull, Digital Depth, Speed, Temp Sensor, NMEA2000 Airmar B617V Housing Style Transducer The DST 801MSF offers depth, speed, and temperature in a single, 51 mm (2) fitting. Only one hole through the hull simplifies the installation an attractive feature for boat builders and boat owners alike. Patented, speed signal processing and upgraded 5 Hz (5X per second) speed through water enhancements provide excellent paddlewheel