M66: Pen core of push-type ballpoint pen. M63: the refill of the pen cap ballpoint pen.

Ballpoint pen refill uniform 0.7mm

Introduction to LAMY: LAMY is a European pen manufacturer, headquartered in Heidelberg, Germany.

Joseph Ling Mei, the founder of the company, founded Orthos Fullhalter-Fabrik on 1930 and began to engage in pen manufacturing. Manfred Ling Mei inherited his father's business in 1973 and is now the general manager of Ling Mei company.