B 175WR-4 Transducer Housing Wrench B br br A single-handed wrench that holds the main thru-hull housing via the wrench flats on the top of the housing to facilitate tightening of the hull nut br Use wrench 164WR-2 or 164WR-3 for the hull nut br br B For use with B br UL LI B164 br LI B175 br LI SS164 br LI SS264 LI UL br br B IMPORTANT B the design of the housing for these transducers changed slightly in June 2012 This wrench is for the newer design and has an internal width of 2-3 4 If you need a wrench for the older designs then use the 164WR-4 instead with an internal width of 2-7 16 --- cis2 mmxtmJVt --- br
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