<B>Staedtler(R) Engineers Etched Scale Review</b><P>http://tinyurl.com/oldtfc4 <P><P> Staedtler(R) Engineers Etched Scale <P>Color-coded grooves ensure quick and accurate selection of the desired scale<P>Three sides with six different scales feature die-engraved graduations<P>Scale is fully divided: 10, 20, 30, 40, 50, 60 parts to the inch<P>Size: 12"L<P>