Frienda 2 Pieces Plastic Measuring Rolling Ruler Drawing Parallel Multifunctional Drafting Ruler for Architect Office Math6 Inch 12 Inch

Wide applications versatile measuring ruler with a protractor to draw the desired figure can also draw arc curve horizontal parallel line vertical parallel line enough size for drawing in a length of 12 inches 30 cm 6 inches 15 cm More details each centimeter has a circle hole for drawing circles and ellipses This drawing ruler is built in roller clear scale easy sliding stable drawing not easy to skew clear scale easy to observe There are various formulas on the roller which can be calculated quickly in use Multiple uses whether you are an artist pattern maker or designer this measuring rolling ruler is a good helper for your work It can help you develop your manual skills as well as imagination to draw different design pictures Quality material our measuring ruler tool is made of transparent plastic It is lightweighted easy to carry Transparent material allows you to draw without ignoring some important figures or words Package includes 2 pieces measuring rolling ruler 2 rulers can let you keep one in office and another ruler at home in case you need it.