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TWSBI

TWSBI

Affordable piston-filling fountains

TWSBI fountain pens (TaShin Precision, Taiwan) are known for piston-filling mechanisms, ink capacity and transparent designs. The pens feature German-made nibs, which perform well straight out of the box. The Diamond 580 serves as the everyday writer, equipped with a screw-off nib unit for easy nib size changes and compatiblility with the Diamond Inkwell. The Eco offers a simplified design with a friction fit nib and feed. Lesser known models include vacuum fillers with an ink shut-off valve for travel and the Swipe offering the convenience of standard cartridges or a spring converter. Good value range of soluble fountain pen inks supplied in frosted glass bottles. TWSBI pens are high flow, making them the ideal choice for our artist sketch kits. For further help with pen selection, see the TWSBI Top 7 list annotated by our staff. Visit our Blog for tips on pen cleaning and piston servicing.

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TWSBI Precision Fountain Pen - Gemini Blue - Medium Nib

$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI has changed the game! The TWSBI Precision combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-fill...

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$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI Diamond 580ALR Caribbean Fountain Pen - Onyx plated Medium Nib

$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI Vac 700R Iris Fountain Pen - Clear with plated aluminium trim - Medium Nib

$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

With TWSBI the game has changed!Simply pull up, push down and your ink is filled, ready to go.Vacuum filler type fountain pen designed with a ink s...

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$159.95 - $159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI Diamond 580 Rose Gold II Fountain Pen - Clear/smoke with rose gold trim - Medium Nib

$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI Precision Fountain Pen - Gunmetal - Medium Nib

$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI has changed the game! The TWSBI Precision combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-fill...

View full details
$159.95 - $159.95
$159.95
$159.95
$159.95 - $159.95
$159.95

TWSBI Diamond 580 Rose Gold II Fountain Pen - Clear / White with rose gold trim - Medium Nib

$149.95 - $149.95
$149.95
$149.95
$149.95 - $149.95
$149.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

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$149.95 - $149.95
$149.95
$149.95
$149.95 - $149.95
$149.95

TWSBI Diamond 580AL Iceberg Fountain Pen - Clear with light blue/silver aluminium trim - Medium Nib

$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

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$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Diamond 580ALR Black Fountain Pen - Clear body with Black trim - Medium Nib

$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

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$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Diamond 580ALR Sunset Yellow Fountain Pen - Clear body with Yellow trim - Medium Nib

$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

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$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Eco-T Fountain Pen - Royal Jade/Rose Gold Gift Set with Midnight Blue Ink - Medium Nib

$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95

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

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$129.95 - $129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Diamond 580ALR Punch Pink Fountain Pen - Clear body with Pink trim - 1.1 Italic (stub) Nib

$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95
TWSBI Diamond 580AL Silver Fountain Pen - Clear with silver aluminium trim

TWSBI Diamond 580AL Silver Fountain Pen - Clear with silver aluminium trim - Medium Nib

$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Diamond 580AL Rose Fountain Pen - Clear with silver aluminium trim - Medium Nib

$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$129.95 - $129.95
$129.95
$129.95
$129.95 - $129.95
$129.95

TWSBI Vac Mini Fountain Pen - Smoke/Clear - Medium Nib

$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95

With TWSBI the game has changed! Simply pull up, push down and your ink is filled, ready to go. Vacuum filler type fountain pen designed with a ink...

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$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95
TWSBI Vac Mini Fountain Pen - Clear
TWSBI Vac Mini Fountain Pen - Clear

TWSBI Vac Mini Fountain Pen - Clear - Medium Nib

$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95

With TWSBI the game has changed!Simply pull up, push down and your ink is filled, ready to go.Vacuum filler type fountain pen designed with a ink s...

View full details
$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95
TWSBI Diamond Mini AL Silver Fountain Pen - Clear with silver aluminium trim

TWSBI Diamond Mini AL Silver Fountain Pen - Clear with silver aluminium trim - Medium Nib

$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond Mini Clear fountain pen. By using a piston ...

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$119.95 - $119.95
$119.95
$119.95 - $119.95
$119.95

TWSBI Eco Fountain Pen - Slate Blue with Onyx - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

Limited edition TWSBI Slate Blue coloured coloured Eco with Onyx trim, launching 28 March 2025. TWSBI Eco combines simplicity and elegance in this ...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Espresso with Bronze - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited bronze coloured trimmed TWSBI. Pair with a spice brown notebook and navy ink. Yum! TWSBI Eco combines simplicity and elegance in t...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Irish Green with Onyx - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited TWSBI Irish green coloured coloured Eco with Onyx trim. TWSBI Eco combines simplicity and elegance in this very contemporary fount...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Caffe with Bronze - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited bronze coloured trimmed TWSBI. TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a pisto...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Creme with Rose Gold - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system, TWSBI has been able to cre...

View full details
$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Indigo Blue with Bronze - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited brass coloured trimmed TWSBI. Pair with a navy notebook and navy ink. Yum! TWSBI Eco combines simplicity and elegance in this very...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - Smoke with Rose Gold - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited rose gold trimmed TWSBI. Pair with a navy notebook and navy ink. Yum!TWSBI Eco combines simplicity and elegance in this very conte...

View full details
$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

TWSBI Eco Fountain Pen - White with Rose Gold - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

The long awaited rose gold trimmed TWSBI. Pair with a navy notebook and navy ink. Yum! TWSBI Eco combines simplicity and elegance in this very cont...

View full details
$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95
TWSBI Diamond Mini Clear Fountain Pen

TWSBI Diamond Mini Clear Fountain Pen - Clear - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond Mini Clear fountain pen. By using a piston ...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95
TWSBI Diamond Mini Classic Fountain Pen - Black / Clear

TWSBI Diamond Mini Classic Fountain Pen - Black / Clear - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Diamond Mini Classic fountain pen. By using a pisto...

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$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95
TWSBI Diamond 580 Fountain Pen - Red / Clear / Blue (limited edition)
TWSBI Diamond 580 Fountain Pen - Red / Clear / Blue (limited edition)

TWSBI Diamond 580RBT Fountain Pen - Red / Clear / Blue - Medium Nib

$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95

With TWSBI the game has changed! TWSBI combine simplicity and elegance in the very contemporary Diamond 580 fountain pen. By using a piston ink-fil...

View full details
$109.95 - $109.95
$109.95
$109.95 - $109.95
$109.95
TWSBI Classic Fountain Pen - Sapphire Blue

TWSBI Classic Fountain Pen - Sapphire Blue - Medium Nib

$94.95 - $94.95
$94.95
$94.95 - $94.95
$94.95

With TWSBI the game has changed!TWSBI combine simplicity and elegance in the very contemporary Classic fountain pen. By using a piston ink-filling...

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$94.95 - $94.95
$94.95
$94.95 - $94.95
$94.95

TWSBI Eco Fountain Pen - Sky Blue - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system, TWSBI has been able to cre...

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco Fountain Pen - Persian Green - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system, TWSBI has been able to cre...

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco-T Fountain Pen - Saffron - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

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

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco Fountain Pen - Glow Purple - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system, TWSBI has been able to cre...

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco Fountain Pen - Cerulean Blue - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco combines simplicity and elegance in this very contemporary fountain pen. By using a piston ink-filling system, TWSBI has been able to cre...

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco-T Fountain Pen - Mint Blue - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

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

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Eco Fountain Pen - Clear / Transparent Purple - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

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

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95
TWSBI Eco Fountain Pen - Clear / White

TWSBI Eco Fountain Pen - Clear / White - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

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

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95
TWSBI Eco Fountain Pen - Clear / Clear

TWSBI Eco Fountain Pen - Clear / Clear - Medium Nib

$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

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

View full details
$59.95 - $59.95
$59.95
$59.95
$59.95 - $59.95
$59.95

TWSBI Swipe Fountain Pen - Spring Loaded Converter - Blue Ice Colour - Medium Nib

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

The TWSBI SWIPE is a traditional cartridge, converter type fountain pen. The pen is packaged with a spring converter and a single cartridge. The hi...

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$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95
TWSBI Vac 700R Iris Replacement Nib

TWSBI Diamond 580 Iris Replacement Nib - Medium

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

Replacement nib for TWSBI 580 Iris fountain pen. This replacement nib has the same iridescent colouring as the original IRIS pens. To change the ni...

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$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

TWSBI Swipe Fountain Pen - Spring Loaded Converter - Salmon Colour - Medium Nib

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

The TWSBI SWIPE is a traditional cartridge, converter type fountain pen. The pen is packaged with a spring converter and a single cartridge. The hi...

View full details
$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

TWSBI Swipe Fountain Pen - Spring Loaded Converter - Smoke Colour - Medium Nib

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

The TWSBI SWIPE is a traditional cartridge, converter type fountain pen. The pen is packaged with a spring converter and a single cartridge. The hi...

View full details
$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95
TWSBI Vac 700R Iris Replacement Nib

TWSBI Vac 700R Iris Replacement Nib - Medium

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

This is a replacement nib and feed for the TWSBI Iris Vac 700R. To exchange your nib, pull out the old nib and feed, noting the orientation of the ...

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$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95
TWSBI Vac 700R Replacement Nib - M
TWSBI Vac 700R Replacement Nib - M

TWSBI Vac 700R Replacement Nib - Medium

$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95

Replacement nib unit for TWSBI Vac 700R. Just screw off the original nib unit and screw this one on. Compatible with the 700R models (not the origi...

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$44.95 - $44.95
$44.95
$44.95 - $44.95
$44.95

TWSBI Diamond 580 Replacement Nib - Medium

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

TWSBI Eco Onyx Replacement Nib (Nib Only) - Medium

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

Replacement nib TWSBI Mini or Eco Onyx pens. Sold as nib only without the feed or grip section.

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

TWSBI Diamond Mini / Eco Bronze Replacement Nib (Nib Only) - Medium

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

Replacement nib TWSBI Mini or Eco Bronze pens. Sold as nib only without the feed or grip section.

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95
/

TWSBI Diamond Mini / Eco Rose Gold Replacement Nib (Nib Only) - Medium

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

Replacement nib TWSBI Mini or Eco Rose gold pens. Sold as nib only without the feed or grip section.

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95
/

TWSBI Diamond 580 Rose Gold Replacement Nib (Nib Only) - Medium

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

Replacement nib TWSBI Diamond 580 Rose Gold. Sold as nib only without the feed or grip section.

$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

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