Sierra MP39830 JohnsonEvinrude Ignition Switch Maximum corrosion protection - eliminates oxidation Inner seal between cylinder lock and contact plate Non-conductive housing eliminates potential shorts Specifications Back Up Nut Brass Face Nut Hex Black Plastic Hole Size 78 Length Long 1 18 maximum panel thickness Material Marine grade glass-filled Polyester Rated Choke 7 Amp 12v DC Rated Ignition 15 Amp 12v DC Rated Solenoid 30 Amp 12v DC Terminal Type 6 Screw Tab Switch Positions Off - Run -