Rolling Ruler Parallel Line Arc Curve Drawing Measuring Roller Ruler with Built In Protractor

Feature: 1. [Parallel Line Drawing] The rolling ruler features a roller for easy parallel line drawing, ensuring stability and preventing slippage while you create parallel lines. 2. [Versatile Usage] With a round hole for every centimeter, the drawing ruler allows you to draw circles and ovals, versatile and practical. 3. [Clear Measurements] The measuring rolling ruler is designed with clear scales and various formulas printed on the roller for quick calculations, ensuring accuracy and efficiency. 4. [Lightweight and Portable] Made of transparent plastic, the parallel drawing ruler is lightweight and easy to carry, while its clear material enhances convenience during drawing. 5. [Practical Tool] Whether you are an artist, pattern maker, or designer, the parallel rolling ruler is a practical tool that enhances your workflow. Specification: Item Type: Rolling Ruler Material: Plastic Use: Built in protractor for measuring angles; Measurement values on the roller for drawing parallel lines at a fixed distance while sliding on the page; Pencil hole for drawing arcs and circles . Package List: 1 x Rolling Ruler