I can't seem to get perfect alignment on my halfblind dovetails using this jig. I do the setup per the manual; before locking the offset guide, I use a tape measure to center the piece. When I make my cuts and assemble the 2 pieces they don't match to the eye.....they're offset by 1/32 or so. I don't know how to better do the initial centering of the verticle piece, and the process has degraded to costly trial and error. It's so bothersome that I'm willing to throw away the 4212 and purchase a jig that enables a more precise and accurate setup.
Any help is appreciated, including pointing me to a higher quality jig.
thx