This Pencil Extender Set by Derwent includes:
- Silver Extender : Larger pencil sizes (up to 8mm)
- Black Extender: Standard pencil sizes (up to 7mm)
- Unscrew the barrel of the extender to fit pencils in
- Use the silver extender with larger sized pencils including Derwent Pastel Pencils, Coloursoft and Artists Pencils (up to 8mm)
- Use the black extender with standard sized pencils including Derwent Graphic Watercolour and Studio Pencils (up to 7mm)
