Hello again,

I have often wondered what this part is called and what it is used for. I cannot think of a practical purpose but it would not have been made so specifically if it did not perform some useful function.

It sits in a hole in the top of the tailstock. This hole is not a through hole so it is not an oiling hole and it is also not deep enough to be a repository for very much of anything.

Dimensions are 30mm LOA and the bulbous part is ~10mm diameter.

Can anyone please help?
Thank you
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