TWSBI Diamond 50 Ink Bottle - Polished Aluminum Color__Green Micro Knurl__cross-townsend-fountain-pen-in-green-pvd-micro-knurl Fountain Pen Cartridge

Fountain Pen Cartridge

Cap: Mother of Pearl

Caran D'ache Metal Ballpoint Pen Set in Summer Set Includes Colors:

Finish: Black Barrel with White E=Mc2 Print

You can use it no matter while you’re working or traveling

TWSBI Diamond 50 Ink Bottle - Polished Aluminum Color__Green Micro Knurl__cross-townsend-fountain-pen-in-green-pvd-micro-knurl Fountain Pen CartridgeGet the most out of every ink drop with this ingenious, clean filling ink bottle from TWSBI (commonly pronounced "twiz bee"). The two part aluminum cap unscrews to provide multiple ways to fill your pen. Remove the very top of the TWSBI logo cap to directly fill your TWSBI Diamond 580, Classic, Mini or Precision fountain pen. You can also fill international converters by attaching it directly to the adapter. Unscrew the bottom part of the cap so you