Alloy construction with waterproofing cover, lucar connectors
3 position (off, ignition/preheater, starter motor), with spring-back from starter position
Lucas 35670, 128SA, Durite 0-351-06 - universal fitment, popular on many tractors and plant. 12 or 24 volt.
Supplied with twin keys
Diameter 54mm, requires 21mm diameter panel hole, length without key inserted 53mm, length with key inserted 73mm