Pianotek has 0.001, 0.002 - inch and thicker paper balance rail punchings. 0.001-inch is about 0.03 mm. I have not heard of anything thinner than that being commercially produced. 0.001-inch increments will give you a pretty fine key leveling. Do you find you need more precision than that? Terry Farrell > Hello, all: > > Do any of you have a source for the above (balance punchings particularly) > which are thinner than .003 mm? > > Thanks for your help. > Cordially, > Lucien Needham
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