Description
Size: 30mm
Feature:
- The scale on the roller can decide the space of the parallel lines when moving.
- To get the perpendicular parallel lines, Insert the pen on hole then moving downward.
- Use any hole as the center. Can draw different diameter of circles.
- Use the center hole of the protractor as the center. Can draw any kind of angles.
- Incorporate with land 2 as described above cross lines or grips.