This ruler can cut circles, semi-circles, and quarter-circles from 15 1/2" down to 3" in 1/2" increments. This ruler can be used in fusible applique, piecing, and turned-edge applique. Equipped with Creative Grid's exclusive grip, this ruler slides easily on fabric yet stays in place when pressure is applied. Use the included instructions or scan the QR code to view a video demonstration. Made in the USA. Designed by Karla Alexander & Susan Emory & Christine Van Buskirk.