Airmar 175WR-4 Transducer Housing Wrench [175WR-4] Brand_Shurhold UC81-OBF - Front mount outboard

UC81-OBF - Front mount outboard cylinder

Bullet-proof construction - Sealed unit and high-temperature materials allow mounting anywhere on the vehicle

Meet global industry standards including UL*

The North American Zero Line SD card is 32 GB and contains zero lines for over 140

Shakespeare brings you the best of the high-end features in an 8' antenna with a brass element and a smooth

Airmar 175WR-4 Transducer Housing Wrench [175WR-4] Brand_Shurhold UC81-OBF - Front mount outboard175WR 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 IMPORTANT: 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