Designed specifically for quilters, this ruler features a highlighted seam allowance and easy-to-read grid lines that make cutting perfect squares of fabric easier than ever before. Ideal for creating squares, squaring off quilting blocks and centering half-square triangles.Details:Orange and clear with black text8.5" x 8.5" (21.59cm x 21.59cm)30-, 40- and 60-degree line indicatorsIncludes optional non-slip vinyl feetAcrylic