Description: Wide Applications: Versatile measuring ruler, with a protractor to draw the desired figure, can also draw horizontal parallel line, vertical parallel line, enough size for drawing. The drawing ruler is smooth and not easy to break to ensure long time convenient usage. Whether you are an artist, student, pattern maker or designer, this measuring rolling ruler is a good helper for your work or study. Made of transparent plastic; light-weighted, easy to carry. Draw all figures with this Multifunctional Ruler! Fast, accurate, no auxiliary lines! for Plane Graphics, Stereo Graphics, Pattern Graphics, Mathematical Graphics. Size Chart: Function Ruler: 19.3x11.5CM/7.60x4.53inch Geometric Ruler: 20.6x7CM/8.11x2.76inch Package Includes: 1 Piece Drawing Ruler(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!