When I say nice I'm talking like scientific lab quality. They will measure out to the hundredth of a grain rather than just tenths. I have the RCBS Chargemaster which is pretty good, but not that good. Manual still says +/- 0.1 grains. There are some manual beam scales out there that can get a little more precise with measurements on the long side of the beam. Like this Redding for example.
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