This triangle ruler is built from first-class materials to deliver high hardness, rust resistance and wear resistance. It maintains accuracy through repeated use and is suitable for long-term projects. Designed for precise drawing and measuring, it is a dependable tool for school, office and DIY work. The robust construction supports durability in varied conditions. Key benefits - Durable and reliable: made from high quality materials that are rust-proof and wear-resistant, preserving functionality over time. - Precise metric measurements: clear, accurate metric scales help you achieve exact drawings and layouts. - Easy to read with low eye strain: high-contrast markings ensure sharp, legible indicators for detailed work in different lighting. - Versatile for many tasks: suitable for building, interior design, drawing and related areas; compact size for easy handling and portability. - User-friendly across roles: meets the needs of students, engineers and designers; supports steady positioning and helps when drawing complex structures. Specifications and features - Material: first-class materials with rust-proof and wear-resistant properties. - Measurement: precise metric scales for accurate drawing and measuring. - Readability: high contrast black and white markings for clear visibility. - Use cases: ideal for school, office and DIY projects; suitable for interior building, interior design and drafting tasks. - Design intent: robust, durable triangle ruler that supports rough positioning and precise execution in a variety of tasks. Use scenarios - Technical drawing and architectural planning: create accurate angles and layouts with reliable metric scales. - Model making and craft projects: precise measurements help ensure parts fit correctly and structures are stable. - Interior design and space planning: quick rough positioning and detailed layout work for furniture, fixtures and built-ins. This triangle ruler remains consistent with its purpose: to provide durable, precise, and readable measurement tools for students, engineers and designers across a range of professional and hobby applications.