Product Parameters: Name: Multifunctional quick drawing ruler Color: Black Material: Plastic Weight: 37g Size: 12 * 12cm Packing list: drawing ruler * 1 Product Description: Easy to Measure: The drawing ruler is equipped with a protractor, the scale is clear, easy to observe, and the angle and length can be read intuitively during measurement! Multi-function: The quick drawing ruler can draw arc curves, horizontal or vertical parallel lines, flat or three-dimensional graphics, and various patterns and graphics! Quick Drawing: The multi-function drawing ruler is rotatable, easy to slide, and can directly draw circles, ellipses, and parallelograms; the drawing is stable and accurate without auxiliary lines! High Quality: The curved drawing ruler is made of transparent plastic, lightweight and portable. Under the transparent material, you can't ignore important graphics or text when drawing! Drawing Assistant: Whether you are a student, designer, artist or model maker, this drawing ruler lines is a good helper for your studies or work! luckymeet