MARTI MICHELL perfect for cutting 45 degree diamonds and mitered corners on quilt borders. Numbered left to right and right to left with visually strong vertical lines every inch to make cutting strips easier. An extra set of inch re Mid ruler for easier alignment. The point has specially a no dog ears corner. Laser – cut marking holes on the mitered seam are just the right size for sharp pencil points or other long tipped pens to reach the fabric at the correct point.