Precision in measurement: The ruler features a fluorescent bubble level and clearly marked scales to provide fast, readable, and accurate readings for level checks and precise measurements. Timesaving adjustment: A ratchet adjustment system enables quick, easy changes with a reliable regulation mechanism, helping streamline your workflow and ensure consistent precision. Strong magnetic adhesion: Builtin strong magnets allow the ruler to cling securely to metal surfaces, enabling hands operation and reliable positioning during layout and marking tasks. Durable construction: Made from sturdy ABS and metal, this ruler resists impact and wear, supporting longterm use and maintaining measurement accuracy through repeated use. Practical attributes: Combines a level indicator and measurement markings in a single tool, offering reliable performance for construction, carpentry, and metalworking applications. Use scenarios: On construction sites, use for framing alignment and level checks where metal studs or frames are present, benefiting from the magnetic hold and quick adjustments. During cabinet or furniture installation, position the ruler on metal hardware or frames to mark precise holes and align components efficiently. In metal fabrication or workshop settings, employ for rapid, repeatable measurements and secure placement on metal workpieces during layout and assembly.