LAMY M63 is the refill for the LAMY rollerball pens with cap. The tip is a medium and comes in 2 colour choices; black and blue.

The M63 pen refill fits the following LAMY Rollerball Pens:

LAMY 2000                     LAMY Al-Star
LAMY Scala                     LAMY Safari
LAMY Accent                  LAMY Lx
LAMY Studio                  LAMY Pur
LAMY Aion