Creative Grids 8.5" x 12.5" Rectangle Quilting Ruler Template CGR812 Features easy-to-read black and white markings printed in 1" grids marked in 1/8" and 1/4" increments. Use the black numbers (printed on white dots) and the 1/4 inch grip sides to cut whole inches. Use the patented Turn-A-Round feature to add the 1/2 inch seam allowance. Exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts