Enhance your drawing and measuring tasks with this versatile Measuring Rolling Ruler, designed to offer precision, convenience, and efficiency for both work and study. Crafted from durable transparent plastic, this 30cm (11.8in) ruler combines innovative features to help you create accurate lines, curves, and calculations effortlessly. Key Features: · **Wide Range of Uses**: This universal measuring ruler allows you to easily draw desired shapes including arc curves, horizontal and vertical parallel lines, making it suitable for various technical drawing and drafting applications. · **Convenient Drawing Holes**: Equipped with one round hole per centimeter, this ruler simplifies the process of drawing precise circles and ellipses with minimal effort. · **Integrated Formulas**: Multiple useful formulas are printed directly on the ruler, enabling quick calculations during use and serving as a practical aid for both professionals and students. · **Smooth Rolling Mechanism**: Featuring a built-in roller that glides freely, this measuring ruler ensures stable, accurate drawing without distortion or skewing, improving the overall quality of your work. · **Transparent and Lightweight Design**: Made from clear plastic, the ruler's transparent body allows you to see underlying details and markings clearly, while its lightweight construction makes it easy to carry and handle. Specifications: · Material: Plastic · Measurement Size: Approximately 30cm / 11.8 inches · Item Type: Measuring Rolling Ruler Package Includes: · 1 x Measuring Rolling Ruler This Measuring Rolling Ruler is an essential tool for architects, engineers, artists, students, and anyone needing precise measuring and drawing capabilities. Combining functionality with user-friendly design, it provides an effective solution for accurate and neat work every time.