Features: Featuring double sided metric and royal scale on strong 2CR13 stainless steel, this ruler ensures high accuracy and flexibility for accurate measurements, making it an essential drafting ruler for professional and enthusiasts alike. With finely polished edges to eliminate burrs and prevent hand injuries, with a convenient hanging hole for easy storage and imported printing that resists fading, this measuring scale combines safety, functionality, and long lasting performances. Ideal for engineers, architects, students, and hobbyists, this versatile stainless steel ruler caters to users who demand stable and precise tools for detailed work in various fields. Perfect for drafting, design projects, construction layouts, educational settings, and everyday measurements, this double scale ruler in scenarios requiring consistent accuracy and durability. Available in multiple sizes including 150mm, 200mm, 300mm, 400mm, 500mm, and 600mm, this measuring tool offer flexibility for any task, ensuring robust performances and ease of use. Specifications: Component : stainless Specifications: 0-150mm/0-200mm/0-300mm/0-400mm/0-500mm/0-600mm Package Includes: 1xSteel Ruler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.