compass and protractor in one, designed as a portable writing tool, this tool allows you to 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 metal ruler appearance and carefully polished stainless steel body, long service life, laser machined scale, clear reading, not easy to wear and deform. Magnetic Scroll Base: Aspect regle metal accrocheur et corps en acier inoxydable soigneusement poli, longue dure de vie, chelle usine au laser, lecture claire, pas facile porter et dformer. Base de Dfilement Magntique : Normograph drawing tools to make drawing more accurate and user-friendly, it is a very portable and multifunctional stationery accessory. Wide Application: It is an innovative pocket drawing tool for designers, artists, architects, cartography normographers, mandala lovers, illustrators, tattoo artists, students and creative professionals. 1. It can be used as both a drawing tool and a digital computer emergency tool. 2. Metallic appearance and well-polished stainless steel shell, the overall shape is simple and fashionable, and the service life is long. 3. It consists of two modules, a straight hole ruler and an abstract ruler with a curved outline, a drawing aid that can be used as a wrench 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 a strong magnetic force, please do not disassemble or hit the magnet with gravity, this 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 Package Information: 1 Multifunctional Drawing Ruler