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. The sashing star is a very good looking treatment for the intersection of sashing strips in quilts. The tool will provide the means to cut for 2.5", 3.5" and 4.5" cut size strips and appropriate star points. The length of the largest piece in the set is 12.5".