Knowledge of pencils
About JIS of pencil
Pencil JIS was established in 1951 and has contributed to the improvement of pencil quality in Japan for about 50 years, but in 1998 the item designation was canceled as part of the deregulation and it became a product It was decided to abolish the mark display that was engraved. Because the quality level has risen, the meaning of attaching a JIS mark has disappeared. However, JIS standards have survived, and products are manufactured based on these standards.