TWSBI Diamond 50 Ink Bottle - Polished Aluminum main_color_product_cross-bailey-black-lacquer-ballpoint-pen Features: Enlarged neck for XL/LE

Features: Enlarged neck for XL/LE pen

Nib: Stainless steel nib with iridium tip in fine point

but even more for its functionality

Noodler's Ink Ahab Flex Nib - Fountain Pen - Lake Champlain (formerly known as Huron) - Flex Nib:

5mL capacity of this eyedropper filling fountain pen

TWSBI Diamond 50 Ink Bottle - Polished Aluminum main_color_product_cross-bailey-black-lacquer-ballpoint-pen Features: Enlarged neck for XL/LEGet 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