These Pack of 2 Pencil Blenders from Caran d\'Ache have a premium quality colourless oil and wax based lead. This special lead has been designed to seamlessly blend coloured pencils such as the Caran d\'Ache own brand of Luminance pencils or Polychromos pencils to create unique effects and better blending. The best way is to use it over the surface of coloured pencils to add a gloss finish that will intensify colours and leave a nice level of sheen to your work heightening it in the process. The formulation of the lead helps to protect your colours against harmful UV light and is water resistant. For more detailed work you can sharpen it to a fine point for better accuracy and precision making this a must have drawing tool if you love working with coloured pencils. - Brand: Caran d\'Ache - Pack of 2 Pencil Blenders - Special lead ideal for blending coloured pencils - Adds a high gloss finish and sheen to intensify colours - Protects against harmful UV light and is water resistant