1. Quality Material: Made from grade materials, this triangle ruler offers hardness, is rustproof, and wearresistant. These features ensure the ruler maintains its functionality even with repeated use, making it ideal for longterm projects. Designed for precise drawing and measuring, it is an indispensable tool for school, office, and DIY projects. The sturdy design guarantees durability under various conditions. 2. Enhanced Task Precision: The precise metric measurement design provides clear and accurate scales, seamlessly improving overall efficiency. 3. Unmatched Readability: Utilizing contrast technology, the blackandwhite design of this triangle ruler delivers outstanding visibility, making reading and usage simple and effective. The clear details support precise work, making the ruler versatile for school, office, and DIY applications. 4. Widely Applicable: suited for civil engineering, interior design, drawing, and other disciplines, it delivers reliable performance in diverse practical and creative environments. This ruler is designed for both detailed technical drawings and general planning tasks, enabling precise line drawing and angle measurement while being easy to transport.