My opinion, the little Dandy is a very accurate powder measure, when loading pistol I do not get into mortal combat with the chart, drum and powder dumped. There was a time when I did not have most of the rotors, back then I would make an attempt to use a smaller drum and dump twice. Life is too short and I have too many other options, Lyman black and orange, most of the powder measures made by Herters and Ohaus, I have two Ohaus powder measures built like a very fine carburetor and it is a two in one meaning it has a large and small drum in one.
And then there is the after market drum maker, like clock work he runs on a cycle, it could be just about time for him to post a reminder.
F. Guffey