- Stable board made of plastic.
- Compass plotting scale
- Graduation with markings for format and paper margin
- Easier sliding ruler system
- Magnetic clamping rail for holding paper
- Push-botton stop-and-go mwchanism. Free running mechanism
- Additional locking
- Additional corner clamp for holding paper
- Protractor with inverse scale
- For measuring and drawing of angels, horizontal and vertical lines
- Scale with mm/cm marking