This ruler is a good helper for your work or study, it can help develop your own manual skills and imagination.
Various shapes can be drawn, the scale is clear, the sliding is convenient, the drawing is stable, and it is easy to observe.
Can draw the required graphics. Such: Protractor scale, Y spool, Function drawing slot, Circle hole with radius mark, etc.
14 geometric figures of different shapes are placed on a ruler, which is very convenient to carry.
Made of high-quality plastic. The transparent material allows you not to ignore some important numbers or words when drawing.