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. 7 pieces. Includes bonus shapes that complement Set A. So if you own Sets A and C, you will love Volume 2 of the Encyclopedia of Patchwork Blocks MM8343. With approximately 80 block designs in over 200 block sizes from which to choose. Note: this template is used in the Ramblin' Rose Meets Jamestown block of the month project