Product Description 75WR-2 Transducer Hull Nut WrenchA single-handed wrench to tighten the hull nut on bronze and stainless steel housings. You can use wrench 75WR-4 to brace the housing when using this wrench.For use with:B75SS75 Airmar 75WR-2 Transducer Hull Nut Wrench at Everest Browse all Everest deals $57.78 In Stock at Everest Buy Now at Everest Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Everest Everest