Garmin, 010-11636-22, B75M Bronze Thru-Hull Mount Transducer (20 deg. Tilt)
This bronze thru-hull mount transducer is designed to allow both traditional and spread spectrum scanning when used with a compatible sonar like the GSD 26.
A 600 W transducer with 8 pins, it has a depth of 800 ft; an operating frequency of 80-130 kHz; a beamwidth of 24/16 degrees; and a 16 to 24 degree deadrise.
Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.