Montblanc 149 + 146 Piston Seals dip pen stick the business end of

stick the business end of this tool through the front of the barrel

It has the earlier plastic filling unit

USE THIS BRASS BRUSH TO SCRUB-OUT THE INSIDE OF A 51 CAP BEFORE SHOVING A MANDREL INTO IT AND RUBBING OUT THE DENTS

apparently for stringing the brass wire

Montblanc 149 + 146 Piston Seals dip pen stick the business end ofThese piston seals will fit recent pens by sliding them onto the piston shaft, although ultrasonic cleaning of the original parts and a little heat and patience are required to get things apart and intact. Available with or without a rubber O ring at the top. Note: The seals without the o ring have dimensions of 9. 1 9. 15 mm at the largest diameter. These can be too small for some year's models, so please measure the seal you're intending to replace