New Limited Editions

A black and bronze Eco with variation The TWSBI Eco Black Marble with Bronze trim uses a mixed resin finish that combines deep black tones with lig...

TWSBI Obsidian Fountain Pen A limited edition piston filler with a darker, more architectural presence than anything in the standard TWSBI line.  T...

Replacement Onyx nib (black) for the TWSBI Eco and Eco-T range of fountain pens. This is a genuine replacement nib, made in Germany from high quali...

Clarity with a sharper edge The TWSBI Diamond 580ALR Black Fountain Pen takes everything people love about the Diamond 580 and strips it down to it...

TWSBI Ink Cartridges - pack of 10. These cartridges are larger than normal, holding 1.5ml. Designed for the TWSBI Swipe fountain pen.

To use with the Diamond 50 Ink Well (available separately), remove the lid from the ink bottle and recap the bottle with the lid from the Diamond 5...

The perfect fountain pen deserves the perfect ink well bottle.TWSBI VAC20A ink bottle uses 3 caps to provide mess free filling for: TWSBI Vac Mini ...

With over 20 years experience in making mechanical pencils, TWSBI knows how to make them to last. Constructed from all metal parts internally and e...

With over 20 years experience in making ballpoint pens, TWSBI knows how to make them to last.Constructed from stainless steel.Takes a standard Park...

TWSBI has changed the game! TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system...

A more grounded Diamond Mini The TWSBI Diamond Mini Black takes the transparent mechanical appeal of the Diamond series and frames it with black ac...

With over 20 years experience in making mechanical pencils, TWSBI knows how to make them to last. Constructed from all metal parts internally and e...