<html> <body> Dave, Have you tried steaming them first? Just curious. I find that when I steam out bushings from the center rail, I usually end up having to ease the balance rail holes. Avery At 12:19 PM 11/16/05, you wrote: <blockquote type=cite class=cite cite=""> I’ve just been working on a piano that had some chucky keys.  Some could be fixed by glue-sizing, but 28 needed a kerfs cut and veneer inserted.  Whenever I’ve done this before I’ve just placed the kerf by hand and it generally worked ok.  This time I figured a way to put the kerf in exactly the right spot.  I put the key in the vice and inserted a balance rail pin and held it firmly to the back of the hole.  I then put the saw right against the pin and started the cut.  Each of these came out exactly right with no chucking and the keys lined up perfectly.   I’m probably the last one in the world to discover this, but it worked!   <img src="cid:6.2.5.6.2.20051117200021.02b5b670@houston.rr.com.1" width=640 height=640 alt="[]"> dp __________________________ David M. Porritt, RPT Meadows School of the Arts Southern Methodist University Dallas, TX 75275 <a href="mailto:dporritt@smu.edu">dporritt@smu.edu</a>   </blockquote></body> </html>