TWSBI Pens

ECO-T has a slightly more pronounced grip section; to help with learning correct writing posture for kids, new enthusiast, and anyone who likes a little bit more structure to the grip area. Cap and end cap also has a rotary triangular shape design. 

A traditional cartridge, converter-type fountain pen. 
The pen, ink cartridge, traditional converter, and spring converter come all in one, ready for you to use right away. 
Cartridges/Converter are standard international top hole fitting
Nib size: EF,

This pen glows in the dark!
A piston fill fountain pen made for the beginner who wants to try out a fountain pen, all the way to the expert! This everyday work pen is easy to fill and holds a lot of ink. The pen cap can be posted and has an inner cap to

A piston fill fountain pen made for the beginner who wants to try out a fountain pen, all the way to the expert! This everyday work pen is easy to fill and holds a lot of ink. The pen cap can be posted and has an inner cap to insure a perfect seal when st

The TWSBI Diamond 580 is a classic fountain pen with a piston ink-filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, TWSBI has created an eye-catching fountain pen that is simultaneously appreciative

A piston filler fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write.
The cap and end cap also has a rotary triangular shape design. Pen cap is able to post onto the back of the pen and has an in

Special edition white rose gold model! TWSBI Diamond 580, a classic fountain pen with a piston ink-filling system. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, we have created an eye-catching fountain pen that

The TWSBI Mini comes with a benchmark piston ink-filling mechanism and has all detachable parts. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a clear cap. It is completed with silver tr

The TWSBI Diamond 580AL comes with a benchmark piston ink-filling mechanism and has all detachable parts. The clear demonstrator barrel allows you to see your ink color and remaining ink level. It comes with a stainless steel nib and aluminum machined gri

TWSBI Pipe - stainless steel pipe created as an extension to reach all the way down into the corner of near empty ink bottles to help people fill their pens.
It fits standard international converter openings and the TWSBI Diamond series fountain pen barr

The TWSBI Diamond 580ALR comes with a benchmark piston ink-filling mechanism and has all detachable parts. The clear demonstrator barrel allows you to see your ink color and remaining ink level. This special edition fountain pen has a blue textured alumin

A piston filler fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write.
The cap and end cap also has a rotary triangular shape design. Pen cap is able to post onto the back of the pen and has an in

The TWSBI Mini comes with a benchmark piston ink-filling mechanism and has all detachable parts. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a solid white cap. It is completed with ros

The TWSBI Vac700R Iris is unique in that it uses a vacuum filling mechanism vs a piston mechanism like in the 580 and Eco. The Iris has a clear demonstrator body, with a rainbow-colored iridescent trim, and a stainless steel nib accented with an iridescen

twsbi prussian blue fountain pen
stub 1.1 nib
matte finish, subtle details on grip and cap
increased ink capacity
New aluminum machined grip, connector, and piston rod. 
TWSBI's name stands for the "Hall of Three Cultures"

A piston filler fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write.
The cap and end cap also has a rotary triangular shape design. Pen cap is able to post onto the back of the pen and has an in

The ECO-T has a slightly more pronounced grip section; to help with learning correct writing posture for kids, new enthusiast, and anyone who likes a little bit more structure to the grip area. The cap and end cap also has a rotary triangular shape design

A piston filler fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write.
The cap and end cap also has a rotary triangular shape design. Pen cap is able to post onto the back of the pen and has an in

A piston filler fountain pen. Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write.
The cap and end cap also has a rotary triangular shape design. Pen cap is able to post onto the back of the pen and has an in