OLFA Frosted Advantage 1.25x 12.5 Inch Acrylic Ruler is non-slip for stable and safe cutting. Frosted back with black grid lines for clarity on light- and dark-material. The large bold black numbers are easy to read. The rulers have black grid lines at every inch, dotted black lines mark the half-inch and black tick marks along the solid line mark the quarters and eights. The frosted back grips in place for safe, stable cutting but allows the ruler to be repositioned for small adjustments. USES: The 1x12.5 inch complements larger rulers and is perfect for simple patchwork, finished blocks, borders, and bindings. Ideal to have near a sewing machine. Excellent for paper crafting. For right-and left-handed use. Hole for convenient hanging. Available in 10 sizes. Imported.