The first and last set of rulers you will EVER need! Printable rulers (all to scale) in both inch and cm measurements. In FULL COLOR and Black and White! The inch rulers include half inch, quarter inch, and one eighth inch increments and the metric rulers measure both mm and cm increments. Each page has three to nine rulers depending on the length of the ruler (6-inch, 9-inch, or 12-inch). Package includes colored images, as well as black and white versions.Great for math, science, and other c