Turn around creative gridsThis 4 1 2" square features easy to read black and white markings printed and 1 inch grids, marked in 1 8 inch and a quarter inch increments. Use the easy to read black numbers and the quarter inch grip size to cut whole inches. Use the patented turnaround feature by the easy to read white numbers and a half inch grip sides to add the half inch seam allowance. A 45 degree angle line is included.