Description: 【Versatile Use】: This 12inch ruler is good for a variety of tasks including measuring and drawing. It's an essential tool for daily use in schools, offices, construction sites, workshops, art projects, and scientific experiments 【Material】: Crafted from aluminum alloy, this ruler offers exceptional durability and longevity, ensuring it withstands regular use without bending or breaking 【 Measurements】: The ruler features clear millimeter markings that provide accurate measurements every time, making it ideal for precision tasks in both professional and educational settings 【Compact Size】: With dimensions of 30.5cm, this ruler is easy to handle and store in your backpack or desk drawer without taking up much space 【With Hanging Hole】: Metal straight ruler is designed with a convenient hanging hole for easy storage and organization, keeping your workspace tidy Specification: Material: Aluminum alloy   Size Chart: 30.5cmx3.2cm/12.01inchx1.26inch 30.5cmx3.8cm/12.01inchx1.50inch 30.5cmx5.2cm/12.01inchx2.05inch 30.5cmx5.7cm/12.01inchx2.24inch Package Includes: 1X Measuring Ruler Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.