THE LISTING IS FOR THE SPARE KEY ONLY, NOT THE SWITCH!
This spare key is specifically for the Durite switch 0-605-90.
The image of the switch is for reference, the listing is for the KEY ONLY as circled in picture no.2.
The plastic peg is 10.8mm diameter. The steel pin is 4mm diameter, and the centreline of the pin is approx 5.5mm up from the base of the plastic peg.