Professional and Hobbyists Tool: Suitable for students, engineers, architects, and enthusiasts who demand accuracy and reliability in their measuring tool and Convenience: Each ruler features a safe, nonsharp edges and double side measurements, complemented by a smooth finishes with nonburrs, making essential tool for any task Various Setting: Whether it ' s for crafting in the workshop, drafting in the studio, or project planning on site, these rulers are the perfect tool for all your measurement needs Meets Durability: The Metal Ruler from aluminum, offering both metric measurements for accurate and consistent results in every use Enhances Accuracy: With ruler with clear marking and robusts construction, you can take your projects, crafting, or professional work, Manufacturer: GTYLF