The OLFA QR-6x12 6" x 12" Frosted Acrylic Ruler is the perfect Frosted Advantage craft ruler for intricate angles and precise turns. Unlike many acrylic rulers, this quilting ruler features precise pivot point angles for accurate shaping in addition to the straight measurements. Features Compass Pivot Point angles for 15◦, 30◦, 45◦, 60◦ and 90◦ cuts. Designed for accuracy and precision with grid lines marked in 1/8", 1/4", 1/2" and 1" increments. Frosted surface is non-slip for extra stability and safety when cutting and allows for black imprinted numbers to read effortlessly.