Gaebel 627 Stainless Steel Zero-Center Ruler 36″

The 627 is a two-sided zero-centered ruler. It measures 1-1/2″ in width, is .032″ thick, and is available  36″. The front has zero-centered inches in 16ths on the top and 12ths on the bottom. The back is zero-centered in picas on the top and inches in 10ths on the bottom.