Article number: 510 10
- For standard-sized blacklead pencils up to 8.2 mm ? with a sharpening angle of 23° for clear and accurate lines
Article number: 510 20 - For standard-sized blacklead pencils up to 8.2 mm ? with a sharpening angle of 23° for clear and accurate lines
- For thick blacklead and coloured pencils up to 10.2 mm ? with a sharpening angle of 30° for broad， soft lines
