Airmar 175WR-4 Transducer Housing Wrench

175WR-4 Transducer Housing WrenchA 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 for the older designs then use the 164WR-4 instead, with an internal width of 2-7/16". 175WR-4 sensor shell wrench one-handed wrench, which fixes the entire hull shell through the "wrench plane" on the top of the shell to facilitate tightening the shell. !!!!----PRODUCT ID: 57087 SKU: NVN-57087 CSKU: CWR-57087 REWRITE: 68198-airmar-175wr-4-transducer-housing-wrench MPN: 175WR-4 UPC: 990160743797 ASIN: WSKU: SSKU: KSKU: GSKU: MSKU: