New, Non-Slip, Frosted Advantage™! A great Alternative to the larger square rulers. Use as a template and for squaring up 9" blocks, borders or backgrounds. Also use to cut squares, triangles, and strips with ease and accuracy. Features the Frosted Advantage™ - frosted acrylic with black numbers and lines for clarity on light and dark-colored materials. Non-slip surface for stable and safe cutting. For left or right-handed use. OLFA Non-Slip, Frosted Advantage™ Rulers allow the user to obtain precise measurements and cutting angles during sewing and quilting applications. This ruler is perfect for squaring up finished quilt blocks and borders. Also great for paper crafting.