Set of 6 with diameters of 1 1/2", 3 1/2", 5 1/2", 7 1/2", 9 1/2" and 11 1/2" which will stitch out to be 2", 4", 6", 8", 10" and 12" circles. All circles in this set are marked every 1/2" across making it easy to consistently use just a portion of a circle. Use this set to set stems for vines or spines for feathers. Great for swags as well as standard circle designs. Comes with instructions and design ideas.