Perfect Circle by Hartley Manufacturing.
Perfect every time, circles, arcs, Baptist Fans. Interlocking circle, concentric circles, too many things to mention. Designs are only limited by your imagination. ACTUAL SHIPPING APPLIES AND WILL BE INVOICED AFTER
See Demo
https://www.youtube.com/watch?v=vJGT0SrNjO4
Hand Quilting Hoops
http://www.nosliphoops.com/