The non-slip ruler for quilting, sewing and crafts Right & left-hand numbering and angle system Extra 1/2 inch on two sides for seam allowance For cutting strips, borders and biases, cutting angles and multiples of angles and cutting across strata (strips of fabric sewn together with 1⁄4” seam allowance) For use with rotary cutters and straight edge blades Transparent, neon green double-sight lines that seem to glow on both light and dark fabrics Non-slip backing
