Multifunctional drawing ruler math and geometry measurement teaching tool, high school version, 20.3*8.4cm Draw all your graphics quickly, accurately and create captivating patterns with this versatile ruler FEATURES MULTI-PURPOSE: Whether you are an artist, student, pattern maker or designer, this ruler is a great helper for your work or study; it helps You develop your crafting skills and imagination. Details: Various shapes can be drawn, the scale is clear, the sliding is convenient, the drawing is stable, not easy to skew, and easy to observe. Versatility: The multi-function ruler can draw the desired graphics, such as: protractor, Y spool, functional drawing slot, circular hole with radius mark, X spool, polygonal hole, circular arc, short cable slot, movable short ruler, parallelogram , oval hole, ruler and other designs: 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. PREMIUM MATERIAL: Made of high quality plastic. Lightweight, durable and easy to carry. Transparent materials allow you to draw without ignoring some important numbers or text. Specifications: Material: Plastic Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture. Delivery Quantity: 1