Westcott - ACM10564 Durable ruler is accurately scaled in 1/16" markings (Imperial) on one side and millimeters (metric) on the other. Numerals and graduations are sharply delineated. Scratch-resistant ruler is made of flexible acrylic. Ideal for home, office, school and shop. Ruler features raised, beveled edges to eliminate smearing, and extra margins at the ends for clear starts and stops. Ruler comes in a vinyl pouch.