Montblanc Ballpoint Refill Adapter Plug Blue Vintage Extension for Giant Refill

Description

This original Montblanc adapter extends current production ballpoint refills for older pens using the long Giant refill introduced in the 1970s.
Adapts current Montblanc ballpoint refills to Giant size
Extends 98mm ballpoint refills to ~112mm
Blue color, refill is not included
If you prefer another color please have a look at my
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I'll combine shipping!