Features: Precise Meets Durability:The Metal Ruler craft from quality aluminum, offering both imperials and metric measurements for accurate and consistent results in every use. Safety and Convenience:Each ruler features a safe, nonsharp edges and double side measurements, complemented by a smooth finishes with no burrs, making them essential tool for any precise task. Professional and Hobbyists Tool: Suitable for students, engineers, architects, and DIY enthusiasts who demand accuracy and reliability in their measuring tool. Various Setting:Whether it's for crafting in the workshop, drafting in the studio, or project planning on site, these rulers are the perfect companions for all your measurement needs. Enhances Accuracy:With ruler with clear marking and robusts construction, you can take your DIY projects, crafting, or professional work. Specifications: Component:Aluminum Length:Approx.Approx.20cm/7.87inch,30cm/11.81in; 4Option Type; Imperials/Metric Measurement Ruler Note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: 1pc Straight Ruler