Oh I always use the indicators. I get everything I do as perfect as I can. My trade is Machinist and I worked in job shops for 8 years. We didn't make a lot of new parts in groups. Usually one off but mostly repairs. It was very interesting work and probably why I like messing with the skis. With the 4-jaw chuck you can move each individual. 3-jaws just grab all the same and you can't adjust so accuracy is out the window.
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