Sierra MP41030 3 Position Conventional Ignition Switch Features Back Up Nut Brass Face Nut Knurled Black Plastic with Rubber Cap Hole Size 78 Panel Thickness 58 maximum Material Marine grade glass-filled Polyester Rated Ignition 15 Amp 12v DC Rated Solenoid 30 Amp 12v DC Terminal Type 3 Screw Tab Switch Positions Off - Run - Start Type 3 Position Conventional Maximum corrosion protection - eliminates oxidation Inner seal between cylinder lock and contact plate Non-conductive housing eliminates