Perfect shapes and sizes, laser cut accuracy, specific-size pieces. No guessing which line to use on a ruler. Perfect quarter-inch (6mm) seam allowances already added. Perfect corners, not just blunt, but revolutionary double-blunt corners engineered for perfect alignment. Perfect for rotary cutters, cut multiple layers at one time. Perfect for hand or machine piecers. 2 pieces. The templates in this set are labeled E and F. They work the same way as the originals, they just create bigger pieces. Create a 6in, 6 1/2in or 7in size. This instruction set includes 6 variations and two quilt patterns.