Large Print 12 inch Ruler with Braille illustrated alphabet on reverse -not tactile-educational - This Large Print 12 inch Ruler is a handy way for sighted people to learn Braille. When not in use as a learning tool, this low vision aid is a ruler suitable for those who have low vision. This flexible plastic ruler has inch and half-inch increments up to 12 inches in bold, black, easy-to-read numbers. The reverse displays the alphabet and its Brailled equivalent in print (not tactile).