BOWENDA Transparent Student 30cm Angle Compass parallel Ruler Protractor Rectangle Ruler Drawing Tool

Package Includes: 1 x Straight Ruler. Color: As Picture Shown. Material: Plastic. Size: approx. 30cm/11.81in. Item Type: Straight Ruler. Quantity: 1 Pc. Package Includes: 1 x Straight Ruler. Material: Plastic. Color: As Picture Shown. Size: approx. 30cm/11.81in. Item Type: Straight Ruler. The ruler can be used as tools in the classroom to meet the measurement needs of teachers and students, it is also good tool for measurement in daily life. The straight ruler is made of plastic, sturdy and durable, not easy to deform or damage, suitable to serve your repeated uses, you can feel free to use without worrying about the quality. Can be used as an angle parallel ruler, straight line, horizontal parallel line, arc measurement, etc. Can be used as a protractor, 0-180 degree angle measurement or scribing 1 small grid 5 °, a large grid 15 degrees, the angle displayed by the dial, is the degree of opening of the ruler). The tip of the angled disc in the middle of the disc is the center point of