"notbob" wrote in message
I don't know where you've been shopping, but a machinist/engineer square
can
be had for under $20. Besides, you're paying for a level of accuracy far
outside what you'll ever be able to attain in wood. You'd be better off
with a good machinist combination square, which is still more accurate
than you need. More useful, too.

Agreed. I use the 10" stainless steel square from Lee Valley and it fills
most of my needs.
http://www.leevalley.com/wood/page.a...=1,42936,42941