Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Navigation & Instruments | AIS Systems A special coating is applied

A special coating is applied to high quality optical glass to allow the user to see through this mirror

The towels prevent water spots on all surfaces and come in an extra large size of 17" x 27" (43 cm x 69 cm)

Can be run dry without damaging the pump

Owner's Manual (pdf)

Box Dimensions: 1"H x 1"W x 2"L WT: 0

Airmar 75WR-4 Transducer Housing Wrench [75WR-4] Marine Navigation & Instruments | AIS Systems A special coating is applied75WR 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