The Helix Technical Engineers Scale Ruler is a 30cm plastic ruler in a vibrant yellow colour. Manufactured by Helix, this ruler is designed for precision and accuracy in measuring tasks. With a unit quantity of 1, this ruler is ideal for engineers, architects, and professionals in various industries who require reliable measuring tools. Its sturdy construction and bright yellow colour make it easy to locate on a work surface for precise measurements. Ideal for both business and office use, this ruler is a must-have for anyone in need of a high-quality measuring tool.