Another personal collection – pencils and pens well suited for technical writing.
- Pentel GraphGear 1000 : 0.5mm
- rOting 600 : 0.7mm
- rOting 600 : 0.5mm
- rOting 600 : ball point : black
- rOting 600 : ball point : black
- uni Kuru Toga : 0.5mm
Technical Writing