Garmin B258 1kW Bronze Thru-Hull Depth/Temp w/FB f/GSD-24 & GSD-26 - 010-10703-20 - 010-10703-20Garmin B258 1kW Bronze Thru Hull Depth Temp w FB f GSD 24 & GSD 26 010 10703 20 B258 1kW Bronze Thru Hull Depth Temp w FB 8 Pin Garmin's bronze, thru hull mount transducer with fairing provides depth and temperature data. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 0 25 deadrise angle. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other