175WR-4 Transducer Housing Wrench

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.
Use wrench 164WR-2 or 164WR-3 for the hull nut.

For use with:

• B164
  
• B175
  
• SS164
  
• SS264