1. Whether you are an artist, student, pattern maker or designer, this ruler is a good helper for your work or study it can help develop your own manual skills and imagination.2. Various shape can be drawn, the scale is clear, the sliding is convenient, the drawing is stable, it is not easy to be skewed, and it is easy to observe.3. Multi-function measuring scale can draw the required graphics, Such: Protractor scale, Y spool, Function drawing slot, Circle hole with radius mark, X spool, Polygonal hole, Circle arc, Short-drawn wire slot, Active short ruler, Built-in ruler, Oval hole, Straightedge, etc.4. Many different geometric figures of shape are placed on a ruler, which is very convenient to carry, can meet your different needs in daily use and is convenient for measurement.5. Made of high-quality plastic. Lightweight, durable, and easy to carry. The transparent material allows you not to ignore some important numbers or words when drawing.Notice:xActual color may be slightly different from the image due to different monitor and light effectxPlease allow 1-3cm deviation due to manual measurementDescription:Size: 20x9x1cmincludes:1 pcs x Multifunctional Geometric Ruler