- Durable premium materials deliver high hardness and wear resistance, so the triangle ruler holds its shape and precision through frequent, long use. Ideal for classroom, office, or craft projects; its stability and reliability make it a dependable tool for all measuring and drawing tasks. - Precise metric design with clear metric scales to boost accuracy and efficiency. - Enhanced visibility with high contrast black and white markings for sharp readability in varying lighting; reduces eye strain and ensures quick, accurate readings in office or home environments. - Versatile use for civil engineering, interior design, drawing, and related fields; supports scale drawings and sketches; easy to use thanks to clear markings and sturdy construction. - Use scenarios: - Classroom geometry and measurement tasks - Office technical drawings and planning - Home crafts and model making