The Dritz Omnigrip Non-Slip Neon Quilter's Ruler 3.5'' x 3.5'' is a handy, compact-sized acrylic ruler that provides the same versatility and functionality as regular-sized ones. It's the ideal quilter's ruler for secondary cutting of fabric strips into squares and shapes or for cutting fat quarters. The ruler also features a unique numbering and angle system set against a clear background and neon lines for easy use. You can use the quilter's ruler with rotary cutters or straight edge bladed.