Use these rulers to quickly and accurately perform a variety of marking tasks. The center line is exactly 1/4" from both edges of the ruler. This provides an accurate reference line for: marking 1/4" sewing lines , adding 1/4" seam allowances, checking 1/4" seam allowances, marking 1/4" quilting lines. The three ruler lengths accomodate a variety of different size marking tasks. Use a pencil with a fine, sharp point for the most accurate mark.
CAUTION: Do not use rulers with rotary cutters, knives or other cutting instruments. Rulers are designed for marking use only. Injury may result if rulers are used for cutting and trimming tasks.