Omnigrid Omnigrip 5-1/2" x 5-1/2" Non-Slip Square Quilting Ruler by

Highlighted 1/8" ruler markings along 2 edges of ruler for measurement and placement accuracy, 1/4" dot and line grid pattern throughout ruler, Perpendicular dot and line grid forms square outlines to aid in squaring up quilt blocks, 1/2" additional width includes seam allowances, Patented non-slip backing to help keep ruler in place while cutting, Optical-grade acrylic with smooth, laser cut edges for rotary cutters and craft knives, 45 diagonal lines for aligning pattern while squaring up quilt blocks, Use to cut and square up blocks 5-1/2" and under.