The LAMY M 21 ballpoint refill is as well designed as LAMY writing instruments!
This refill is specifically for use with LAMY multi-system pens and LAMY multi-colour pens. Available in black, blue, green and red ink.
INK: Available in black, blue, green or red ink
USE WITH: Use with all LAMY multi-system/multi-function and multi-colour pens.
SOURCE: Made in Germany