117WR-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.
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