Made from .25-inch thick quality acrylic. Handi VersaTool, created by Suzanne Michelle Hyland, is a multi-purpose tool for machine quilters. VersaTool is easy to grasp and designed to fit comfortably in a quilter's hand. Design uses include: stitch in the ditch, 1/4" outline stitching and crosshatching, right angle cut-out for corners, continuous curve quilting, hopping foot notch and gentle curve for outlining applique, full 4-inch curve for circles and clam shells.
See the ruler in action in this video tutorial: