Airmar 117WR-4 Transducer Housing Wrench SCOUTB3 Crafted with a durable polyester

Crafted with a durable polyester textile cover and closed-cell foam inner cushion

oval shape and ribbed sides resist rolling against hull

Thickness Width Length 16-14X2X10 1/4" (4

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Airmar 117WR-4 Transducer Housing Wrench SCOUTB3 Crafted with a durable polyester117WR 4 Transducer Housing Wrench A single handed wrench that holds the main thru hull housing via the 'wrench flats' on the side of the housing to facilitate tightening of the hull nut. For 2" bronze and stainless steel housings (P617V, B617V, SS617V). Use wrench 117WR 2 or 117WR 3 for the hull nut. *Note that this wrench will not fit on the CA500 camera housing.