Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Hardware | Shaft Seals It includes a blank plug

It includes a blank plug to replace its sensor unit when the vessel will be docked for extended periods or trailered

A tough 1/4" line drawstring closure

25 of DA340 cable

Ethernet Colors Connection Cable - 3M

Connects to trolling motor

Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Hardware | Shaft Seals It includes a blank plug75WR 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. Use wrench 75WR 2 or 75WR 3 for the hull nut. For use with: B75 SS75 Specifications: Type: Tools Box Dimensions: 1"H x 5"W x 10"L WT: 0. 6 lbs