Description: Multi-funtional Drawing Curved Metallic Ruler Mini Compass Protractor Combo Circles Drawing Patterns.    Specification: Material of curved wings: aluminum alloy;  Material of straight wings: aluminum alloy;  Material of bases:stainless steel;  Color:black + sliver.    Features: 1. Designed for portability, It is intended to be a portable stationery item which fits in your notepad like a glove.  2. Not only does it work great as a straight and curved metallic ruler, it is also a compass and a protractor. With it in hand, you will be well-equipped to draw perfect circles and patterns effortlessly.  3. It is a highly portable multi-functional stationery item with many more handy capabilities than a traditional compass.  4. It doesn't poke holes through paper as it has no sharp point, and yet is still stable enough to not move around thanks to the specially designed rolling base.  5. It is an innovative pocket-sized drawing tool tailor- designers, artists, architects, journal enthusiasts, mandalas lovers, illustrators, tattoo artists, students and creative professionals.    Package Included: 1 x Curved wing;  1 x Straight wing;  1 x Stainless steel bases;  1 x Storage box