On Tue, 13 Feb 2007 21:22:46 -0600, "DanG" wrote:

I can't imagine hanging doors without one. I use the Porter Cable
model
http://www.amazon.com/Porter-Cable-42234-Corner-Chisel/dp/B0000224L6


I use the same one and keep it with the butt pocket jig.
I wish they had something similar for round corners. I sometimes have
to hand cut the large keeper for Schlage dead bolts (on already
installed doors) and we always seem to get them with the round
corners.

Mike O.