High-quality material: Made from premium materials, this triangle ruler features high hardness, rust resistance and wear resistance. These properties keep it functional through repeated use, ideal for long-term projects. For precise drawing and measuring, it is an essential tool for school, office and DIY. The robust design ensures longevity under varying conditions. Precision for metric work: The precise design for metric measurements provides clear, accurate scales that seamlessly boost efficiency. High-contrast visibility: High contrast markings in black and white stand out clearly, significantly improving readability in different lighting. Reliable for precise work, whether in the office or at home. Clear optics reduce eye strain and make reading comfortable. Broad applicability: Supports civil engineering, interior design, drawing and teaching, as well as other applications, offering reliable help for projects requiring precision and flexibility. The triangle ruler is robust and stable to deliver consistent results in different use scenarios. For technical drawings or creative designs, it enables precise alignment and clean lines. Its versatility makes it suitable for a wide range of tasks. Use scenarios: - Technical drawings and architectural plans - Interior design layouts and drafting - Classroom geometry and teaching demonstrations