Its frosted surface is more than just attractive; it's non-slip to eliminate frustration and promote safe cutting. Ideal For: Precise measurements and cutting angles for sewing and quilting, whether you're working with fabrics, paper or other materials, You will find that this OLFA® ruler makes any project easier Perfect for squaring up finished quilt, great addition to your sewing, quilting & craft tool box Features: Frosted acrylic surface allows black imprinted numbers to be read effortlessly Frosted surface is 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 for 15-, 30-, 45-, 60 and 90 degree cuts Accommodates both right and left handed users