The Monolith Graphite woodless pencil is a pure graphite stick protected by a thin lacquer coating. Broad and fine strokes can be applied with equal ease. Sharpen with a regular sharpener (we recommend the Monolith Sharpener, item no. 430 24). Economical to use. Available in six degrees: HB, 2B, 4B, 6B, 8B, 9B.