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 ruler can be a present for students , teachers , artists , and craft lovers Multifunctional ruler can be widely used in school , home , and many other occasions you want Whether at school , or home , these rulers are versatile tools that can help you with a variety of tasks Great learning tool and measuring tool for you and brings great convenience to your drawing or measuring work, Manufacturer: HUAJINGKEJI