I use a digital caliper all the time in my job. They don't have to be super accurate, but they should be able to work. After less than a week of use, one of the screws flew off on its own and fell into a pile of sawdust. Then a small wheel fell out. Since I had to keep working I had to tape the piece back in place so it couldn't be returned. There are many other options for this price, so I would recommend choosing a different one. The screen is not as easy to read as others. I thought it would be nice if it turned on automatically when you open or close it, but it doesn't because the readings are inaccurate and you still have to fully close and reset it before using it. The auto-on function just drained the battery when I wasn't using it.
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