Rigid NON BENDABLE strong Ruler Professional Grade steel with permanently etched graduations in imperial and metric. High-Quality Steel which makes the ruler long lasting. 100 Centimeters OR 39 Inches with the Metallic surface. 30MM WIDE. Centimeters & Millimeters printed on one edge and inches printed on opposite edge on the same side. (Speciality mm and inches on the same side opposite each other  reduce the risk of mistake because you can always check inches against mm which make it very easy to do accurate cutting and measurement.) SAME PRINTING ON BOTH SIDES. High-quality Stainless Steel ruler suitable for everything from straight lines to clear cuts, this Ruler is the perfect addition to your stationery kit. At 100 centimeters, planning, drawing and designing are made simple and untroubled some – have confidence in your work with this durable and reliable metal ruler to produce accurate, no-fuss results.