Precision meets durability with this 12-inch steel ruler from Alumicolor, engineered for students, architects, and designers who demand accuracy. The sturdy steel construction resists bending and warping, while the cork backing prevents slipping on paper and drafting surfaces—keeping your measurements steady and your work professional. Clear, easy-to-read markings in both inches and metric units make quick conversions effortless. Whether you're sketching designs, taking notes in class, or working on technical drawings, this reliable ruler delivers consistent performance semester after semester.