Jaymo brand refills are an economical alternative to higher priced refills.
Rollerball replacement for Montblanc Rollerball Mystery Black (105158, 128231, MB128231, MNB107877) or Royal Blue (105159, 128233, MB128233, MNB107878) Remove your refill and compare it to the pictures and fit guide here. There should be threads at the front of the refill. If your refill appears to have the same shape, measure it to make sure it is 4.44 inches / 113 mm long and .25 inches / 6 mm in diameter. These refills are for capped rollerball pens. If you have a twist-action pen, please check out our ballpoint refills. If your refill matches pictures and dimensions and has threads near the tip, order with confidence. For more details, view our video on YouTube by searching “Jaymo Rollerball Refill Replacement for Montblanc.” We use smooth writing ink from Germany and and a .7 mm medium rollerball tip for smooth writing and fine lines. Refills are packaged in a reusable zip close bag.
Jaymo refills are not manufactured, licensed or endorsed by the pen manufacturers referred to on this page.
The trademarks of the pen manufacturers are identified only for the purpose of providing refill compatibility information.
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