1. Material: This triangular ruler is made of quality materials that ensure hardness, oxidation resistance, and wear resistance. Its durability guarantees consistent performance even after prolonged and frequent use, making it ideal for precise work under various conditions without deteriorating over time. for measuring angles and drawing precise lines, this ruler is reliable for school or professional use. 2. Accurate Metric Design: This triangular ruler is meticulously designed for metric measurements, featuring clear scales that enhance accuracy and effectively optimize work efficiency. An indispensable tool for students and professionals who require precision in their work. 3. Enhanced Readability: Utilizing contrast technology, the blackandwhite design provides visibility that facilitates easy reading and usage for various tasks requiring precision with a reliable triangular ruler. 4. Multifunctional Design: Designed for civil engineering, interior design, teaching, and drafting, it offers consistent support for multiple tasks requiring precision and versatility. This product is for students and professionals seeking reliable tools for daily work. The triangular ruler enables precise measurements and clear lines in various academic and professional contexts, with a design that ensures performance.