Navico XSONIC P66 Plastic Transom Mount Transducer 50/200kHz 9-Pin Connector Boat Optimist featuring a red 57mm sheave

featuring a red 57mm sheave and a maximum line diameter of 10mm (3/8 in)

SS164 Stainless Steel Thru-Hull - 0° Tilted Element - 1KW for CP370 Sounder

SOLAS CS and Transport Canada

Mounts easily with three screws

our P79 consists of a base that is bonded to the hull and filled with liquid

Navico XSONIC P66 Plastic Transom Mount Transducer 50/200kHz 9-Pin Connector Boat Optimist featuring a red 57mm sheaveXSONIC P66 Plastic Transom Mount Transducer 50 200kHz with Black 9 Pin Connector P66 Transom Mount Depth Temp Transducer The P66 features a 50 200 kHz, dual frequency, single ceramic element. This hydrodynamic housing with a rounded nose reduces the turbulence under the transducer's face for clear display images.