Raymarine HV Hypervision Extension Cable - 4M [A80562] Marine Hardware | Marine Lumber The through panel mount switches

The through panel mount switches are ideal for lighting

2 female barb fittings

Transmission oil pressure

A single-handed wrench that holds the main thru-hull housing via the 'wrench flats' on the top of the housing to facilitate tightening of the hull nut

And as ignition protected switches

Raymarine HV Hypervision Extension Cable - 4M [A80562] Marine Hardware | Marine Lumber The through panel mount switchesHV Hypervision Extension Cable 4M Matching extension cable for the HV 100 and HV 300 hypervision transducers from Raymarine. Specifications: Length 4M Specifications: Type: Extension Box Dimensions: 1"H x 9"W x 9"L WT: 0. 95 lbs UPC: 723193824726