◘PRACTICAL RULER - This measuring template ruler is a must have for you to draw the desired patterns with a protractor, arc curves, horizontal parallel lines and vertical parallel lines. HANDY DESIGN - Attributed to the handy ruler that has a circular hole in each inch to help you draw circles and ellipses. It is extremely clear, not easy to distort and easy to observe. WIDE APPLICATION - Our geometric ruler is suitable for artists, students, pattern makers or designers who are a good helper in your work or study and can develop your own manual skills and imagination. Excellent material: our ruler is made of durable, lightweight, clear and portable PP material, which allows you to draw without ignore some important numbers or text. Best for drawing: thanks to the multifunctional ruler, you can draw all characters easily, quickly and accurately without the help of guide lines., Manufacturer: Yeeda