The Westcott 12" Engineering Scale is a must-have tool for students and professionals alike. Printed in 3 colors, this scale makes it easy to identify different scales quickly. With clear and easily readable measurements, it is fully divided and numbered in 10, 20, 30, 40, 50, and 60 parts to the inch. Whether you're working on a school project or a professional blueprint, this engineering scale is perfect for all your measuring needs.