Key features - Length options: 150 mm, 200 mm, or 300 mm for portable use and easy handling. - Clear markings: high visibility measurement marks for quick, accurate readings. - Triangle ruler design: suitable for engineers, architects, students and enthusiasts; supports both professional projects and educational use. - Durable performance: built to deliver reliable results over repeated use. - Versatile applications: well suited for construction, craft, and classroom teaching across different environments. Benefits - Why you need it: compact to fit in toolkits, with clear marks that speed up layout and measurement tasks. - How it solves problems: reduces measurement guesswork with easy read marks; versatile for both field work and study. - What makes it stand out: dual compatibility for professional projects and educational purposes, combined with durable construction and practical size options. Use scenarios - On-site layout and measurement in construction or carpentry projects, where quick and accurate marks are essential. - Design and drafting work in engineering or architecture classes, enabling precise geometry checks and layout planning. - Classroom teaching and hands-on DIY projects, supporting demonstrations and practice with real-world measurement tasks.