Multifunctional for Daily Use: This metal ruler is made of quality aluminum alloy, suitable for various daily tasks in different scenarios. Elegant Design: With a fine polished process, the straight ruler has a simple and elegant design with a smooth texture. Bookmark Convenience: The copper ruler is thin enough to be used as a bookmark, adding convenience and practicality to its functions. Accurate Measurement: This metric ruler measures 150mm in length and 2mm in width, allowing for accurate measurements. Its thickness of 4 mm ensures stability. Simplifies Measurement Tasks: This ruler simplifies and streamlines measurement tasks, resulting in more efficient and reliable results. Specification: Material: Aluminum alloy Dimensions:235x20x4mm/9.25x0.79x0.16inch Package Includes: 1pcs Straight Ruler Note: Please allow slightly errors 1-2cm differences due to manual measurement.