MyLifeUNIT Multi-Purpose Drawing Parallel Rolling Ruler

Key features

• Clear metric parallel multi-purpose drawing rolling ruler
• Includes mini protractor at center
• Increments in inches and centimeters
• Each centimeter has a circle hole for drawing circles and ellipses
• Drawing ruler is built in roller, clear scale, easy sliding, stable drawing, not easy to skew
• With various formulas on the roller, can be calculated quickly in use
• An excellent universal tool for making parallel lines, hatching, circles etc
• Wide applications: Versatile measuring ruler, with a protractor is suitable for drawing the desired figure, can also draw arc curve, horizontal parallel line, vertical parallel line, enough size for drawing