Unique Bargains Plastic Drawing Tool Parallel Rolling Ruler Clear White 12.2" x 2.4" x 0.83"

This drafting rolling ruler is made of plastic material, which is transparent and smooth, not easy to break, ensuring long-lasting use without damage or deformation. This Rolling Ruler is a drawing tool for making parallel lines, hatching, etc. Measure in inches and centimeters and draw quadrants, squares circles, angles, crosshatching, and vertical and horizontal parallel lines quickly and easily. Functions as a compass, horizontal ruler, straightedge, protractor, circle template, angle template, etc. Each centimeter has a circle hole for drawing circles and ellipses. This drawing roll ruler is built in roller, clear scale, easy sliding, stable drawing, is not easy to skew, is clear scale, and is easy to observe. There are various formulas on the roller, which can be calculated quickly in use. Notes: 1. Colors in the screen may not accurately reflect the true color due to individual computer monitor differences. 2. Due to the different measurement ways or tools, there may exist slight deviation (ranging from 1-3cm), hope you don't mind.