Derwent's blender and burnisher are versatile tools for subtle or intense color pencil effects. The burnisher is a hard, colorless pencil used to create a polished finish on top of existing layers of color. The blender is a soft, colorless pencil used to mix and blend colors together to create new colors with rich and vivid tones. They may be used individually or together. For use with pencils. Contents:2 blenders2 burnishersSharpenerEraser