TWSBI

Piston Filler Type fountain pen. Simply twist the end knob open and closed to fill the pen with ink. Acrylic cap, Grip, Body, End Cap. Rose Gold Nib, Clip, Rings Very Limited Run, Special Edition Comes in EF, F, M,...

Vac 20A Ink bottle (Travel Size: 20ml) Upper cap made for our Vac Mini fountain pen. Middle cap made for our Vac700 fountain pen.Lower cap made for ALL fountain pens. Comes in Blue, Black, Green, Red, Orange Bottle cap also...

Vac 20A Ink bottle (Travel Size: 20ml) Upper cap made for our Vac Mini fountain pen. Middle cap made for our Vac700 fountain pen.Lower cap made for ALL fountain pens. Comes in Blue, Black, Green, Red, Orange Bottle cap also...

Diamond Mini now comes in RoseGold!! We improved upon the first version, and now the plating is all new and more! Piston filler type fountain pen. Comes in EF, F, M, B, stub1.1 Roughly the same height as an iPhone...

Our ever popular 580AL now with matte finish, subtile details on the grip and cap. New aluminum machined grip, connector, and piston rod. Features 580 has increased ink capacity, about 30% more than 530 580 has improved the smoothness of...

TWSBI Diamond 50 Ink bottle: designed for every type of fountain pen and specific upper cap design for Diamond , 530, 540, 580, Mini fountain pen. NO INK INSIDE ALL NEW POLISHED ALUMINUM FINISH!! The TWSBI Diamond 50mL ink bottle...

A new take on affordable fountain pens.  Spring loaded piston filling mechanism. Super easy to use. Simply press down and release and you're ready to GO!  Comes in EF, F, M, B, Stub1.1 nib sizes.  Please note : ink is...

Introducing our new 18ml bottle of fountain pen ink. This color is part of a 6 pack series we created from a book written in 1791 called "Dream of Red Chambers". It's one of China's 4 great classical novels and...

Introducing our new 18ml bottle of fountain pen ink sold in a 6pack.  This 6 pack series of inks we created from a book written in 1791 called "Dream of Red Chambers". It's one of China's 4 great classical novels and...

Introducing our new 70ml bottle of fountain pen ink. Bottle comes with a special nozzle which allows every last drop to be used in the bottle.  Bottle cap can also fit our Diamond 50 bottle cap, insuring a mess free,...

The Mini now comes with Aluminum Parts!!  Piston filler type fountain pen. Comes in EF, F, M, B, stub1.1 Roughly the same height as an iPhone 5 when capped. Slightly longer when cap is posted on the pen.  About 1 inch...

Our ever popular 580AL now with matte finish, subtile details on the grip and cap.  New aluminum machined grip, connector, and piston rod.  Features 580 has increased ink capacity, about 30% more than 530 580 has improved the smoothness of...

Our ever popular 580AL now with RoseGold finish.  The nib, cap metal accents, inner mechanism, end cap metal accents are now all RoseGold plated.  Features 580 has increased ink capacity, about 30% more than 530 580 has improved the smoothness...

Comes in EF, F, M, B, Stub1.1 nib choices Colors: White/Clear/RoseGold  Pen cap is able to post onto the back of the pen Piston Filler Fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap,...

Comes in EF, F, M, B, Stub1.1 nib choicesColors: Clear/Turquoise  Pen cap is able to post onto the back of the pen Piston Filler Fountain pen.Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!!...

Comes in EF and F nib choices. Pen cap is able to post onto the back of the pen Piston Filler Fountain pen.Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!! Pen cap has...

Comes in EF, F, M, B, Stub1.1 nib choices Colors: White/Clear or Black/Clear  Pen cap is able to post onto the back of the pen Piston Filler Fountain pen. Simply unscrew the end cap, dip into ink, screw back the...

Comes in EF, F, M, B, Stub1.1 nib choicesColors: White/Clear or Black/Clear  Pen cap is able to post onto the back of the pen Piston Filler Fountain pen.Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready...

Piston filler type fountain pen. Comes in EF, F, M, B, stub1.1 Roughly the same height as an iPhone when capped. Slightly longer when cap is posted on the pen.  About 1 inch shorter than a Diamond 580 fountain pen. ...

Piston filler type fountain pen. Comes in EF, F, M, B, stub1.1, stub1.5 nib sizes Roughly the same height as an iPhone when capped. Slightly longer when cap is posted on the pen.  Roughly 1 inch shorter than a Diamond...

Comes in EF, F, M, B, Stub1.1 nib choicesColors: White/Clear or Black/Clear or All Clear  Pen cap is able to post onto the back of the pen Piston Filler Fountain pen.Simply unscrew the end cap, dip into ink, screw back the end cap, and...