Sturdy Material: Built with advanced material composition, triangle ruler delivers excellent hardness, rust resistant, and durability, supporting consistent performance for an extended period Improved Precision Tools: Crafted to enhance productivity, this triangle square ruler features a clear and accurate scale with metric measurements, precision in every use Clear Visibility Design: Enhanced by high contrast technology the black and white markings stand out significantly improving clarity and ease of reading in various lighting conditions Suitable for Many Occasions: For civil engineering interior design teaching drawing and triangle measuring tool similar fields seamless integration into varied tasks that require steady and precise execution Ideal Present: A thoughtful present for engineers designers and students this triangle ruler supports accurate measurements as well as artistic designs, Manufacturer: MRKU