Lowrance/Eagle B164 Thru Hull Fish Finder Transducer
Product Description

50/200 kHz, 12 degree, 1kW RMS, tilted element. Flush mounted with less than 6.35 mm (0.25")
hull exposure. Can sit on trailer rollers and bunks with no damage at all.
Works with: HDS-10, HDS-5, HDS-5x,
HDS-7, HDS-8
Works with the following fish finders: