It has become my new favorite ruler for 3 reasons. 1) I really like the different color lines for whole numbers (black) and half numbers (red) 2) the lines are both horizontal and vertical 3) there are gripper dots to help keep the ruler in place. Oh, and I forgot about the edge sharpener! Anyway, it has been really nice for cutting fabric strips in all different widths. I am very pleased with my purchase.