Features: Multifunctional compasses, efficient drawing, can be written, can also draw a circle. Size: about 16.5x3.5cm/6.50x1.38'', straight ruler is not easy to break, the scale is clear. This is a drawing ruler that integrates multiple functions, including different designs, which can exercise practical skills and imagination. Multifunctional ruler can meet your different needs in daily use and is convenient for measurement. Three-in-one ruler can be a present for students, teachers, artists, and craft lovers. Specifications: Component: Plastic Size: about 16.5x3.5cm/6.50x1.38'' Color: 4 Kinds Optional Package Includes: 1 Pc Straight Ruler note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.