Multi-purpose: 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. Details: Various shapes 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. Polyfunctionality 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, Parallelogram, Oval hole, Straightedge, etc. Design: 14 geometric figures of different shapes are placed on a ruler, which is very convenient to carry, can meet your different needs in daily use and is convenient for measurement. High-quality Material: 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. Specification:Style 1- Elementary School,  Style 2- Junior High School High SchoolShape: longNet weight: 0.053KGMaterial: PlasticColor: White, Blue.Packing list:Rotatable Mathematical Geometry Ruler *1