Tombow Mono 61005 Professional Drawing Pencils, Class Pack, 25 Each HB/B/2B/3B/4B/6B Degrees Superior extra-refined, high-density graphite, contains 25 Each: HB, B, 2B, 3B, 4B, 6B High point strength, break-resistant Smear proof lines for crisp, clean drawings Slow wear for smooth, dense writing Perfect for art classrooms