One of our first heavy duty key crank start Ignition switches we added to our line of Ignition switches and is still a popular one today! Universal in design, this switch works with any 12 volt application. Car, Truck Streetrod, or Tractor Positions are: ACC, OFF, IGN, CRANK. Used in some of our 12V conversion kits for the "D" series Tractors on up when replacing the junky OEM switch. Long post type #10 terminals. High amp rated at 40 amps. Fast key return from crank mode.