Caran d'Ache Grafstone pencils are sticks of pure graphite. Covered by a thin plastic sleeve protecting the artists hands whilst drawing a work of art!
Available in HB, 3B and 6B.
All Caran d'Ache Grafstone Graphite Pencils are rated with good lightfastness based on international ASTM D-6901 certification & the Blue Wool Scale. All grades of Grafstone pencils contain a small amount of tallow, animal fat extract.