This template set of half circles are easy to grasp and control and come in 1" increments, Template Sizes: 1.5"-11.5" for quilted circles from 2" to 12", Scored lines make aligning easy, 1/4" inch thick high quality acrylic insures safety when used with a hopping foot, use with any brand mid arm or long arm quilting machine., is an independent dealer not associated with Handi Quilter.