Features: Multifunctional geometric ruler can meet your different needs in daily use and is convenient for measurement. From artist to students, this ruler is a good helper for your work or study. Many geometric figures of different shapes are placed on a ruler, which is very convenient to carry. This is a geometric drawing ruler that integrates multiple functions, including different designs, which can exercise practical skills and imagination. Plastic draft ruler can be a gift for students, teachers, artists, and craft lovers. A ruler is worth many ordinary rulers. Specifications: Component: Plastic Size: about 21.7cm/8.54'' Type: 3 Kinds Optional Package Includes: 3 Kind Package Optional as Follows: Package 1: 1 Pc Geometric Ruler Package 2: 2 Pcs/Set Geometric Rulers Package 3: 3 Pcs/Set Geometric Rulers 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.