Plastic flush mount thru the hull transducer.  DualBeam, 20/60 degree, 200/83kHz, Shaft diameter: 2", Bottom diameter: 3",  Depth: 3.3" thread length, 3.67, 3.67 full length, 0.22" (below hull).

No fairing block required.

Cable Length:  20 Feet

1-Year Limited Warranty