Boston Lore Studio Black International Ink Cartridges — 6 Pack

Six international-format fountain pen ink cartridges, assembled by Boston Lore Studio and enclosed in a translucent glassine envelope. Their elongated bodies hold more ink than the compact Kaweco-branded short cartridges while preserving the familiar pierced-cartridge convenience.

Boston Lore Studio has tested this cartridge format with the Brass Pocket Fountain Pen and the Kaweco Sport. Because barrel clearance varies among pens, compatibility beyond those tested models cannot be guaranteed; compare the available interior length before use.

The black ink provides a clear, conventional line for letters, notes, and everyday records—six cartridges kept together in a simple archival-style packet.

Details

• 6 black fountain pen ink cartridges
• International-format cartridge connection
• Longer, higher-capacity body than Kaweco short cartridges
• Tested with Kaweco Sport and Boston Lore Studio Brass Pocket Fountain Pen
• Presented in a Boston Lore Studio glassine envelope
• Single-use cartridges; do not ingest