XSONIC SS175M Stainless Steel Thru-Hull Tilted Medium CHIRP Transducer - 20° 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, 24° to 16° 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