1* High precision, suitable for professional drawing.
2* Aluminum alloy material, corrosion resistant and durable.
3* Adjustable radius size.
4* Fixed pen can be and stored at the end of the main body, so you can take it as you go.
5* Metric imperial scale for easy adjustment
6* Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.
7* Please allow 1-2cm measuring deviation due to manual measurement.