The Westcott Beveled Protractor Ruler is a versatile tool measuring 12 inches, designed for precise and smudge-free inking. It features calibrated scales in 16ths to the inch, centimeters, architects' scale, and tenths to the inch, as well as 8ths and tenths graph sections for added convenience. Laminated for durability, this ruler is translucent in color, allowing for easy viewing through to the page, making it perfect for all your drafting and drawing needs. Westcott Drafting & Drawing Tools are some of the finest products of their kind for students and professionals. Our commitment to meticulous quality and cutting edge innovation in measurement and art materials has earned an unparalleled reputation.