Ergonomic, triangular design is easy to hold for a pleasant writing experience. Thick graphite core delivers a broad, smooth line to make sure you’re clearly understood each and every time. Large diameter produces a stronger pencil and a longer writing life. PMA Certified nontoxic to ensure the health and safety of children and adults alike. Mechanism: N/A; Pencil Type: Woodcase; Lead Color(s): Black; Grip Type: N/A.