Fiskars 8.5in x 8.5in Square Sewing Ruler, Measuring Tool, Durable 3mm thick clear acrylic, Center 45-degree bias line

Even the wildest ideas call for precise, smart and easy-to-use tools like the Fiskars® Square Sewing Ruler, Measuring Tool (8.5 in. x 8.5 in). Essential for adult quilters who need to cut squares, square up finished quilting blocks or center half-square triangles, the square ruler features highlighted1/2-inch seam allowances for accurate measuring. The easy-to-read grid lines and measurements are two-toned, for visibility on light and dark materials. This ruler also includes 30-, 45- and 60-degree lines to aid cutting perfect angles.