Rulers features: Are you looking for professional, yet affordable drawing compass ruler set? Are you in search of sturdy, trustworthy tool that can be used to do multiple jobs at once? If yes, look no further Our high class drawing compass ruler set must meet your needs. It is one of the best choices for you. Features Color: Random color Material: Plastic, metal Size:16.50X7.00X2.00cm/6.48X2.75X0.79inch Made of premium metal and plastic material, exquisite craftsmanshlp makes them not easy to bend or break Can help you draw different graphs, which is suitable for professionals, designers, students, etc Perfect and excellent for math, geometry, art, design, drafting, drawing, and other fields Excellent for use in school, woodworking, or at home. The best circle drawing tool for student, artist, mathematician, carpenter It is simple in design, but it's practical to use, which will give you fantasticuse experience.