Pentalic - Woodless Graphite Pencil - 6B - Pentalic Woodless Graphite Pencils are caseless, plastic lacquer coated, graphite sticks. Premium quality solid graphite allows rich, velvety smooth application. Great for detail or broad coverage. Contains more useable graphite than wood cased pencils. May be repointed with any conventional sharpener. Available in six degrees of hardness.