You won’t find another square ruler with OLFA’s patented compass pivot-point angles. You will, however, find that this OLFA® ruler makes any project easier, whether you’re working with fabrics, paper or other materials. Frosted acrylic surface allows black imprinted numbers to be read effortlessly. Non-slip for extra stability and safety when cutting. Designed for accuracy and precision with grid lines marked in a 1/8?, 1/4?, 1/2? and 1? increments. Features a compass with pivot-point angles. Available in 1” x 12”, 6” x 12”, and 6” x 24”.