Add A Quarter Plus 12" Ruler simplifies foundation piecing. One edge is tapered for folding back foundation paper and the other side has a 1/4" lip so you can quickly trim the seam allowance with your rotary cutter. 2" x 12" ruler.
Great for those larger projects, the 18" Add-A-Quarter conveniently adds the customary 1/4" seam allowance to any straight angle and provides a straight edge for your rotary cutter. 2-1/2" x 18" ruler.
The Add Three Eighths Inch Ruler is specially designed to use with flannel or thicker fabrics. Add 3/8" seam allowance and easily trim excess fabric using the straight edge and your rotary cutter. 1 1/2" x 12" ruler.