Enhance your technical drawing and drafting accuracy with this versatile Parallel Rolling Ruler, designed to simplify the creation of vertical lines, parallel lines, charts, angles, 3D drawings, horizontal lines, circles, graphs, and musical notes. Crafted from clear, durable plastic, this 30cm (11.8in) ruler combines multiple functions into one convenient tool, making it ideal for students, architects, engineers, artists, and designers. Key Features: · Multi-Functional Drawing Tool: Perfect for drawing precise vertical and parallel lines, angles, arcs, circles, graphs, and musical notes with ease and accuracy. · Horizontal Line Correction Roller: Ensures your lines remain perfectly parallel during use, improving the quality and consistency of your drawings. · Integrated Angle and Arc Protractor: Built-in protractor allows for quick and accurate measurement of angles directly on the ruler, streamlining your workflow. · Inspection Magnifying Glass: Enhances precision by allowing you to closely inspect your measurements and drawings for greater accuracy. · Precise Vertical Line Drawing: Strategically placed holes along each scale enable you to draw accurate vertical lines effortlessly. · Innovative Circle and Arc Drawing: Use the designated holes to insert pens and rotate the ruler to draw perfect circles or arcs with varying radii, providing flexibility for complex designs. · Clear Plastic Construction: Transparent material allows for easy alignment and visibility of your work surface, ensuring precise placement and measurement. Specifications: · Item Type: Parallel Rolling Ruler · Material: Plastic · Color: Clear · Measurable Length: 30cm / 11.8 inches Package Includes: · 1 x Parallel Rolling Ruler This Parallel Rolling Ruler is an essential drafting accessory that combines multiple drawing functions into a single, easy-to-use tool. Its durable plastic construction and clear design provide long-lasting use and excellent visibility, making it a reliable choice for detailed technical drawings and creative projects. Improve your drawing precision and efficiency with this all-in-one rolling ruler.