Very practical for checking the position of the pole hands-free. Of course the 3" level isn't as accurate as the 5' but it turned out to be more accurate than I expected. After about 10 posts (out of 62) I stopped using both and my long level just for Used last minute checks.before digging concrete.Very few posts required further adjustments and I've been very picky.I see comments complaining about the band snapping.I lost mine and found medium sized rubber bands to be the same work fine, so no problem.
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