Derwent Pencil Extenders are available in two sizes:

• The silver extender fits larger pencils, up to 8mm, such as Derwent Pastel, Coloursoft, and Artists pencils.
• The black extender is intended for use with standard size pencils, up to 7mm, such as Derwent Graphic, Watercolour, and Studio pencils.

Both extenders feature a sturdy screw fitting to securely...