By Karla Alexander. The Straight Out of Line tool creates unique four-patch blocks with the illusion of curves. Use the ruler markings to cut squares from 4 10 inches and every half-inch in between. The finished size of the pieced block is approximately 3/4 inch less than the cut block. The tool slides easily over the fabric until pressure is applied. Then, our exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts! It comes with fully illustrated step by step instructions or scan the QR Code printed on the ruler to view a video demonstration. Total Size – 6in x 10in