TWSBI Cartridge Box

TWSBI Cartridges Sapphire Blue 10 Pack


TWSBI cartridges for the TWSBI Swipe, Standard International Fitting with a greater ink capacity than standard short international cartridges.

  • 10 Pack of cartridges
  • Blue ink
  • Standard International fitting
  • Oversize cartridge

These may not fit all standard international pens due to the larger size and are designed for the TWSBI swipe. 

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