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.