Replica of the infamous Cole 6800, a solenoid starter switch mounted on board the Boeing 737. It mounts as easily as a normal 10 mm rotary switch and easily connects to the signals and the control relay through a connector. triggering from OFF to GRD is only possible by first pushing the knob forward (as real), then turning it to the left. performs the automatic transition from GRD to OFF with a single pulse of the solenoid. Made with high quality plastic materials and mechanical resistance.