Sierra MP39100 5 Terminal Ignition Switch Key Features Maximum corrosion protection Inner seal between contact plate and cylinder lock Non-conductive housing prevents potential shorts Additional Details 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 Ignition 15 Amp 12v DC Rated Solenoid 30 Amp 12v DC Terminal Type 5 Screw Tab Type 3 Position Magneto Switch Positions Off - Run - Start Intercha