1pc 6 Inch and 1pc 12 Inch Measuring Rolling Ruler Plastic Multi-Purpose Drawing Parallel Rolling Ruler Parallel GliderYou will get 1pc12 inch/30 cm parallel glider ruler and 1pc 6 inch/15 cm parallel glider ruler.Made of transparent plastic; It is light-weighted, easy to carry.Coming with clear scale, the rolling rulers for drawing are easy to observe.Versatile measuring ruler, with a protractor to draw the desired figure, can also draw arc curve, horizontal parallel line, vertical parallel line.Can be applied for painting, arc curves, horizontal parallel lines, vertical parallel lines, etc., which are good helpers for architects, artists, students, office workers and so on.Note: The data are all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.