Package coming with 4Pcs Version Technical Drawing tools , our tools material is made of high-quality aluminum, which is very durable and improves work efficiency. Unique Design: A compass and a protractor all in one. Designed to be a portable stationery, with this tool in hand, you will be well-equipped to draw high-precision arcs and patterns effortlessly. Multifunction: It is not only a high portable multi-functional stationery, the holes can also accommodate various cartridges of pens, pencils and markers. Meanwhile, you can use it as a little bookmark and beer opener. Multifunctional Features: Two flexible wings to meet your different needs. The first wing you can draw perfect circles, It also doubles as a ruler, which enables you to draw straight lines, angles and beautiful arcs. The second wing gives designers the flexibility to draw beautiful curves and angles. Curved lines, arcs, ellipses, hexagons, and circles. This drawing tool can do different circles without hurting the paper. Widely Application: This is a tailored innovative pocket drawing tool for designers, artists, architects, journal enthusiasts, mandala enthusiasts, illustrators, tattoo artists, students and creative professionals.