Lamy M63 – check the number on your old rollerball refill If you have a Lamy rollerball pen, check the number on the old Lamy refill. If it says "M61" or "M62" or "M63", the Lamy M63 Rollerball Refill will suit your needs. The old "M61" and "M62" refills are no longer available and Lamy introduced the "M63" to take their places. Black, blue and red ink colors.
- Overall Size - 4 5/8 in. x 1/4 in. (118mm x 6mm)
- Weight - 5 g