Optimized measuring tool: The precise scale design of this triangle ruler delivers clear metric readings, improving work efficiency and providing reliable measurement performance. Readable measurement aid: High contrast markings keep the scales sharp and easy to read, supporting comfortable, eye friendly use and smooth operation. Versatile for many occasions: Suitable for civil construction, interior design, teaching, drawing, and other tasks that require stable and precise execution. Great gift: An excellent choice for engineers, designers, and students; this triangle ruler supports accuracy and creative expression. Key attributes - Function: precise metric measurements and straight edges for accurate drafting and layout - Compatibility: designed for standard drafting workflows and integrates with common tools - Size and form: triangle ruler form factor is compact and easy to handle; exact dimensions vary by model - Durability and performance: built for stability and long term precision in drafting and measurement tasks Use scenarios - On a construction site or planning room, use for quick, accurate layout and alignment checks on drawings and plans - In a design studio or classroom, employ for precise geometry, angle verification, and technical drawings - For student coursework and engineering projects, rely on reliable metric readings to ensure clean, repeatable results