What's that Lassie? You say that Gunner Asch fell down the old
rec.crafts.metalworking mine and will die if we don't mount a rescue
by Fri, 13 Aug 2010 18:12:35 -0700:

Precison of bar stock?

Blink blink......

Gunner

Yup. Bright green is precision rolled(-.001dia.) , red not so
much(+-.005, and out of round) and will vary over the length of the
bar. Important in a screw machine.
--

Dan H.
northshore MA.