The clear design allows you to see paper underneath clearly, which helps you measure and draw accurately without having to the ruler to see where you are Multifunctional ruler can be widely used in school, home, and many other occasions you want Great learning tool and measuring tool for you and brings great convenience to your drawing or measuring work Whether at school, or home, these rulers are versatile tools that can help you with a variety of tasks ruler can be a present for students, teachers, artists, and craft lovers, Manufacturer: ERRORY