Repeatable height adjustment "feet" for raising or lowering a precise machine table?

Hey There, Looking for suggestions. Does anyone know of an alternative to screws for making height-adjustable legs??

I have a precise flat/true table, with height adjustable legs, sitting on top of a bench. I have big bolts as legs for the table, so that I can adjust the height of the table, relative to the bench, and make minor tweaks to keep it level to the world (air bubble level).

These bolts work, but I have to adjust the table to different heights many times per day, so it just takes too long to turn these bolts. They're not easily repeatable. I need to replace these bolt-legs with something that is indexed so I can just "click" the table up or down a few notches and trust that it's still level. (within reason, I need precision so I'll still calibrate it once a day to ensure it's still working)

Do you have any suggestions on what I could use for height adjustment of this table, using a quickly repeatable indexed mechanism -like a ratchet- rather than having to fiddle with the screws all day long?

I need to adjust in height increments of 1/16th of an inch. I could put leveling feet at the bottom of the legs to give me infinite adjustment so that I could true up the table once every morning. But after that screw-true each morning, I really need a faster way to repeatably adjust the height on this thing.

submitted by /u/tbochristopher
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