The country was in lockdown and I ran out of material and help. Yes, this was written during the COVID-19 shutdown. My help, for which I need to move anything over 10 pounds, stayed away, as I have three of the medical conditions that would produce a displeasing result if I were to be infected. That left the to-do list entry, "straightening up the shop," for another time. So, what else was there to do but start a new project? This idea was brought on by a pile of ER-20 collets that had been inhabiting the corner of my bench for some time. A case for them would be nice and should be easy to make on my 3D printer. Now, I hope I don't offend anyone by making it from plastic instead of metal! A metal case would be very nice, but I felt it unnecessary.
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