Description The LAMY cp1 Black Twin Pen is an especially slender, cylindrical writing instrument with a massive, spring-action stainless steel clip. This 2-in-1 twist-action mechanism contains a Ballpoint and .5mm mechanical pencil. Refills: Ballpoint – LAMY M 21 Pencil -LAMY M 41 (0.5mm) Eraser – LAMY Z 15
