No. 4 pencils are perfect for applications when extra-hard graphite is desired. Exclusive graphite formula provides a smooth performance while the thick graphite core delivers broad, consistent lines. Premium wood is found in responsibly sourced forests and delivers smooth, even sharpening with minimal breakage. Superior, latex-free eraser removes marks completely without smudging and is securely glued in signature green and gold ferrules. PMA-certified, nontoxic construction is safe for children. With a rich history of quality spanning more than 100 years, teachers trust Ticonderoga.