- Durable construction: stainless steel ruler with an alloy base provides a sturdy, stable platform for precision work. - Clear, fade-resistant calibration: etched markings stay readable over time, ensuring accurate measurements. - 0-300 mm measuring range: adjustable to measure right angles, 45 deg angles, 45 deg slopes, as well as length, depth and width. - Built-in level gauge: helps ensure measurements are precise and planes are true. - Professional engineer measuring tool: designed for demanding engineering and fabrication tasks. - Use scenarios: - Cabinet installation and furniture making: align panels to exact right angles for clean, accurate joints. - Metal fabrication and woodworking: set and verify 45 degree joints and slopes with confidence. - On-site construction and DIY projects: quick checks of length, depth and width to confirm fit and tolerance.