On Tue, 17 Jan 2017 08:28:21 -0700
Brewster wrote:

Absolutely perfect fingre/box joints! I then "discovered" that with
the perfectly flat grind on the teeth (and both blades the exact same
diameter), it is perfect for grooves and other cuts that need square
shoulders and a flat pocket (half laps are where I put them to use,
big time).

maybe i need to consider box joint set