Welcome to my store, I hope you have a great shopping experience here. We will keep updating a lot of new products, and there is definitely one for you. Item Name: Parallel Ruler Use Scene: Home, School Features: Lightweight, Clear Scale, Multifunctional Size Details: Length: 30cm/11.81" (Approx.) Specifications: This parallel ruler is suitable for artists, designers, architects, engineers, students, teachers and so on. The length of this parallel ruler is 30cm. It is easy and convenient for you to use and read this parallel ruler because it has clear scale. This parallel ruler can be used to draw various circles and ellipses, and it is multifunctional and practical. It is constructed of plastic material. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Parallel Ruler