Sea-Dog Sea Dog Instrument Hole Adapter For Sockets And Meters. The socket adapter installs by placing the face plate in front of the dashboard then inserting the socket/meter in the hole with the washer behind. The assembly is held in place by the socket/meter nut for a clean finished look. Constructed of UV resistant injection molded nylon. Features of Sea-Dog 426101-1 Sea Dog Instrument Hole Adapter For Sockets And Meters Designed to install standard 1-1/8 gauges and meters into 2 instrument dash panel holes UV resistant injection molded nylon construction Easy installation Color: Black Package Contents: Sea-Dog 426101-1 Sea Dog Instrument Hole Adapter For Sockets And Meters Sea-Dog 426101-1: Sea Dog Instrument Hole Adapter For Sockets And Meters