This all in one ruler can be used for projects from simple to complex in a variety of unique applications. Standard measuring lines in increments as small as 1/8". Fine lines for better accuracy. Specially marked 1/4" line along one long edge. Diagonal degree lines radiating from both sides. Marking lines - use them for marking Shaded Four Patch units, Flock of Birds units and so much more. Cutting lines - use them for cutting accurate diamonds for Lemoyne Star and Wedge Star and so much more.