The Omnigrid 6" x 24" folding ruler offers the most popular Omnigrid size in a portable folding design. Extended, the folding ruler is long enough to cut folded bolted fabric and is great for trimming finished quilt tops. The handy folding design makes it easy to store or travel. Omnigrid heavy-duty acrylic rulers have patented double sight lines, making the grid lines easy to see on light and dark fabrics.Details:Clear6" x 24"45-degree markings are handy for making long bias cutsFold it to store or travelEdge markings for accurate measuringLaser cut edges for smooth, deep cuttingPatented double-sight lines that show up on light and dark fabricsHeavy-duty durable acrylic materialLeft- and right-hand numbering and angle system