This 30cm Triangular Scale Ruler (50g) is the perfect tool for precision measurements in drafting, architecture, and engineering projects. Featuring a clear, easy-to-read scale with multiple graduations, it provides accurate measurements in various scales, making it ideal for technical drawings. Its triangular design ensures a comfortable grip and stable usage, while its compact size makes it easy to carry and store. Whether you're working on a detailed project or simply need a reliable measuring tool, this ruler is a must-have in your toolkit.