Sharpener Mix & amp; Match GRIP Trio Sharpener that sharpens most of the pencils: triangular, hexagonal and circular and in particular with all the Faber Castell pencils. Its special blades will allow you to not break the smears in the sharpening. The sharpener is triangular not only for its aesthetic, but also practical and hergonic. You can sharpen mines of colored pencils, watercolor pencils, pastels, graffiti. Brand: Faber Castell