Multifunctional mathematical drawing measuring ruler

5.80
12.90
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          Description

          Waveline scale for easy reading
          The rounded design is not easy to hurt hands
          High transparency is not easily obscured
          High transparency, clear and visible lines
          Increase the clarity and clarity of digital reading
          Increase numbers every 5cm
          Acrylic material is not easy to adhere to rubber
          Rubber is not easy to stick and is easy to use
          15cm is just a straight edge with waves
          15cm for easy carrying and easy marking with waves