Metal sharpener
Article No. 510 10

- For standard-sized blacklead pencils up to 8.2 mm Ø with a sharpening angle of 23° for clear and accurate lines
Metal double-hole sharpener
Article No. 510 20

- For standard-sized blacklead pencils up to 8.2 mm Ø with a sharpening angle of 23° for clear and accurate lines
- For thick blacklead and coloured pencils up to 10.2 mm Ø with a sharpening angle of 30° for broad, soft lines