Uwe ("suntravel") over on the Centroid Acorn forum uses one of these (or very similar) for tool offset measurement on his lathe. On that basis I just bought one myself although I have no experience of using it yet. Looks quite nicely made and Uwe reckons it's pretty accurate. He knows what he's doing, so it sounds like a good recommendation.


This is the one we got https://www.aliexpress.com/item/1005...58861802sWYBON