Available in multiple sizes including 150mm, 200mm, 300mm, 400mm, 500mm, and 600mm, this measuring tool flexibility for any task, ensuring robust and ease of use 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 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 With finely edges to burrs and hand injuries, with a hanging hole for easy storage and imported printing that resists fading, this measuring scale combines, functionality, and long lasting Perfect for drafting, design projects, construction layouts, educational settings, and everyday measurements, this double scale ruler in scenarios requiring consistent accuracy and durability, Manufacturer: XIBEIDIANZI