Creative Grids 60 degree Triangle 12-1/2" Quilt Ruler CGRT12560
Cut 30 and 60 degree angles up to a finished height of 12 inches. This 60 degree equilateral triangle features easy to read black and white markings. A 1/4 inch dashed line is printed on each side of the center vertical line so you can cut 30 degree triangles that include the seam allowance.