I had already looked at the centers just as Isaac suggested; I shimmed a few in different directions but it seemed to just make the problem worse. I have also looked at the knuckles, and there are inaccuracies there as well, but should I really break the knuckle off and then reglue it at a different angle? My preference is to fix the cause of the problem, instead of simply adjusting for the existing conditions (i.e like I currently do when I regulate). At this point I am still not exactly sure where to look and what to do. Key Dip Right now I place a high importance on a consistent key dip: I set the entire keyboard at +/- .003. I will on occasions go to +/- .007" when absolutely necessary. Aftertouch I set aftertouch using punchings and a key weight; my goal is to get the aftertouch even at +/- .002". Blow Distance Right now most everything that I try to hide is here in the blow distance, and I do feel comfortable justifying +/- .065", but any more than that really starts to stand out. I am just not so sure that a concert instrument should have more than this? Bradley
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