garmin-airmar®-b164-20-tiltThis bronze thru hull mount transducer performs well at high speeds and is an excellent choice for fiberglass and wood hulls. This flush mounted housing protrudes less than a quarter of an inch outside the hull and can sit on trailer rollers bunks without damage. An 8 pin 1 kW transducer, it has a depth of 1,200 to 1,800 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 22x20 or 6x6 degrees; and mounts on a 16 to 24 degree deadrise angle.