The Castell 9000 is highly favored by artists and illustrators for its exceptional quality as a graphite pencil suitable for writing, drawing, and sketching. This pencil features a hexagonal design and boasts break-resistant leads crafted from finely ground graphite and clay. The result is a smooth writing experience without any scratchiness, and it sharpens effortlessly. The Eco Pencil is manufactured using wood sourced from certified sustainable forests and is finished with environmentally-friendly, water-based varnish. It comes in 16 different degrees of lead hardness to suit various artistic needs.