Airmar 117WR-4 Transducer Housing Wrench Boat M16 100 Meter Water Resistance &

100 Meter Water Resistance & INDIGLO® Night-Light

Maximum forward view of 8X current depth

Rubber Float Stopper

Snubber FENDER is an easy-to-use

so you are ready for anything on the water

Airmar 117WR-4 Transducer Housing Wrench Boat M16 100 Meter Water Resistance &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.