Back Up Nut :Brass, Face Nut : Hex Chrome Corrosion resistant construction, push to choke Hole Size : 7/8", Length : Long: 1 1/8" maximum panel thickness Rated Ignition: 10 Amp @ 12v DC, Rated Solenoid: 30 Amp @ 12v DC Switch Positions: Off - Run - Start Terminal Type: 5 Screw Tab, Type: 3 Position Magneto Use with a 1-1/8" panel Part Number(s): SIE MP39040 SIE-MP39040 SIE_MP39040 SIEMP39040 11-MP39040