Derwent wax polishing pen/mixing pens includes 2 blender pens and 2 burnisher pens as well as other drawing accessories

The blender is ideal for mixing and brightening colored pencils and pencils. The colorless pen ensures wonderfully flowing color transitions in your work. Even hard lines and edges are softened with the help of the blender.

The Burnisher is perfect for polishing and condensing colored pencils and pencils and for color transitions.