Patchwork Ruler with Color Line - 20cm[Product description] Features a colored background for easy reading on patterned or dark fabrics. The colored background highlights the markings and numbers, making them more visible. The color line at the edge corresponds to a 7mm seam allowance (7. 5mm for strip rulers), making it easier to mark seam allowances. A simple ruler with clear parallel and angle lines, ideal for drafting, pattern making, quilting lines, and marking with pens. Made in