Omnigrip Square Non-Slip Marking Ruler - 12 1/2 inch

The Omnigrip 12 1/2” square ruler has a diagonal line for triangle cuts. The ruler has an extra ½” on two sides for seam allowance. Use for quilting, sewing, crafts or any project that calls for cut fabric. Features a non-slip backing to hold the ruler in place during cutting, edge markings for accurate measuring and double-sight lines that show up on light and dark fabrics.