Ryan Harris passed away. I cant add to other thread that was started, as its locked.
Collet sleeve, my peeve is correct terminology, i know what you mean now, but please try to improve on terminology, i am quilty of this too sometimes myself. Good points were made here. Trying to help, not to be picky Sal.
I wish i had waited till the end of the month and get the Pfizer, like my wife did. But the advice was take the first one you can get.Not sure if the last shot will be Astra or something else, as there is talk it may be a mix and match.
Yes these pins can be replaced, thinking yes they are hardened steel of a small diameter. I have had this happen to a small anniversary clock i had, cant remember what happened after it was repaired, thinking something was not right and my repair job, did not work out.