Durable construction and reliable design - Premium materials provide high hardness and wear resistance, helping the triangle ruler retain its shape and precision through frequent, long-term use in classroom, office, or craft projects. It remains stable and accurate for all measuring and drawing tasks. Enhanced precision and productivity - Engineered to improve productivity with clear, accurate metric scales, delivering consistent precision with every use. Easy reading with high-contrast markings - High-contrast markings stay sharp and legible, reducing eye strain during detailed work. Clear labeling and contrasting black and white marks make the ruler practical and easy to reference in various situations. Versatile applications for precise work - Suitable for civil engineering, interior design, drawing, and related fields. It provides steady support for tasks requiring accuracy and versatility, helping to create to-scale drawings and sketches. Clear markings and sturdy construction make it easy to use.