Unique Style: A compass and protractor in one, designed as a portable writing tool, this tool lets you easily draw high-precision arcs and patterns.;Multifunctional: The drawing tool is simple in design, easy to use, practical and multifunctional, can open wine bottles, and can be used for protractors, compasses, rulers, etc.PREMIUM MATERIALS: Eye-catching ruler metal appearance and carefully polished stainless steel body, long service life, laser machined scale, clear reading, not easy to wear and deform.Magnetic Scroll Base: Normographer of drawing tools to make drawing more accurate and user-friendly, it is a very portable and multi-functional stationery accessory. Wide Application: It's an innovative pocket-sized drawing tool for designers, artists, architects, cartography normographer, mandala enthusiasts, illustrators, tattoo artists, students and creative professionals.1. It can be used both as a drawing tool and as a digital computer emergency tool.2. Metal appearance and well-polished stainless steel shell, the overall shape is simple and fashionable, and the service life is long.3. This consists of two modules, a ruler with a straight hole and an abstract ruler with a curved outline, a drawing aid that can be used as a key and a corkscrew.Drawing Method:1. Mark the center of the paper.2. Place the compass on it.3. Take 360 degrees as a starting point.4. Rotate the arc.5. Stop drawing when the desired angle is reached.6. Finally, draw two straight lines to get the radius and angle.Reminder: The product has strong magnetic force, please do not disassemble or hit the magnet with gravity, it will affect the service life of the product.Product Specifications:- Product Name: Multifunctional Drawing Ruler- Product color: black, silver- Product material: stainless steel, alloy steel, magnet- Product Weight129gPackage Information:- 1 multi-function drawing ruler