Airmar 164WR-3 Double Handle Transducer Wrench [164WR-3] Sailing | Blocks or add a drain tube

or add a drain tube and use when there is dry storage space under the rod holder

and Quad Watch Plus

but neatly tucked out of the way when you don't

Difficult to repair

Airmar 164WR-3 Double Handle Transducer Wrench [164WR-3] Sailing | Blocks or add a drain tube164WR 3 Double Handle Transducer Wrench Transducer wrenches are available for all bronze low profile transducers. They are used to facilitate holding of the transducer and tightening of the hull nut. Wrenches are constructed of 3 16" thick mild steel. They can easily be bent or modified to accommodate challenging installation locations. For use with: B164 SS164 B175C SS264 Specifications: Type: Tools Box Dimensions: 5"H x 6"W x 7"L WT: 1. 1 lbs