On Sat, 5 Mar 2016, Fred Cisin wrote:
always use even number depths on some cuts and odd numbers on others. Such rules are necessary in designing a new key, but irrelevant for making a duplicate or replacement)
CORRECTION: NOT irrelevant. If you have a cut that seems to be between a 3 and a 4, it is essential to know if that cut is always an even number or always an odd number, and very useful for checking your work for errors.
