External Transducer Set for ST-SM-5 You can find more items like this in the following: Accessories, Specialty Items, Weather Instruments   Quantity in Basket:none Code:ST-CK-5 Price:$49.00 Shipping Weight:1.00lbs.       Quantity:   Specifications: 200 kHz frequency with 24° beam angle External transducer on end of 12-ft cable Great for reaching over tall hulls Water proof transducer Can be attached to pole or boathook for extended measuring Related Item(s) Code Name Price ST-SM-5 DEPTHMATE Portable Sounder $149.00

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