<html> <body> <blockquote type=cite class=cite cite=""> Are your findings going to help Bergmans at all...:-)?   Thanks for helping the light bulb go on.  </blockquote> Yes.   Ream the holes to the correct height.   Lay the keys on the bench with the back checks hanging over the edge of the bench.   Place a wet cloth over the B/R holes, and iron with a hot iron. This will generate enough steam to swell up the B/R hole. In this situation I don't bother easing the holes if they are a tad tight.  Mother nature will take care of the tightness fairly quickly. Roger</body> </html>