Only 1 left Airmar 164WR-2 Transducer Hull Nut Wrench MSRP: €62.74 164WR-2 Transducer Hull Nut WrenchA single-handed wrench to tighten the hull nut on B164, SS164 and SS264 housings.You can use wrench 164WR-4 to brace the housing when using this wrench.For use... Add to Cart