XSONIC SS175M Stainless Steel Thru-Hull Tilted Medium CHIRP Transducer - 20deg Element - 9-PinFeatures:Black 9-Pin ConnectorCable Length - 10M (33.0')SS175M - 1-Internal Broadband Ceramic AssemblyDepth & fast-response water-temperature sensorStainless Steel transducer housingHull Type: Steel or aluminumBoat Size: Up to 11M (36')Useable shaft length 71mm (2.80")Medium-Frequency (M)Medium-Chirps from 85 kHz to 135 kHz, 24deg to 16deg beamwidth50 kHz of total bandwidth from one transducerCovers popular fishing frequencies of 88 and 107 kHz plus everything else in the bandwidthMedium-frequency benefits include the ability to sound deeper than the high-frequency, along with better target resolution than the low-frequency