Alpha/Delta Switch Tool
The right tool for the job:
This tool is 3D printed in-house on our Formlabs Fuse1 SLS printer. Please note, the switch only needs to be "snug" and not gorilla-tights. This tool is made out of plastic, so if you go crazy you can snap off the small tabs. Please don't do that :)
The points of the tool engage the slots in the retaining ring (and switch) like a spanner wrench. Nifty right?
where it's made