TWSBI

TWSBI fountain pens are known for precision engineering, smooth nibs, and generous ink capacity. Explore the full lineup, including the entry-level Eco and Eco-T, aluminium-bodied 580AL and 580ALR, piston-filled Vac700R, beginner-friendly Go, compact Swipe, and Gemini. TWSBI also offers a growing range of bottled inks, perfect for pairing with any of their refillable pens. Whether you're writing daily or building your collection, there's a TWSBI for every writer.

Looking for ink? Browse our full range of TWSBI bottled inks and samples.

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ECO-T (Clear) - Medium fountain pen with transparent barrel and cap, showcasing the internal piston-filling mechanism and a metal nib, designed for enhanced grip technique.
TWSBI
ECO-T (Clear) - Medium
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$59.99
X
ECO-T (Clear) - Medium fountain pen with transparent barrel and cap, showcasing the internal piston-filling mechanism and a metal nib, designed for enhanced grip technique.
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ECO-T (Clear) - Medium

$59.99

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ECO (Transparent Blue) - Stub 1.1mm fountain pen featuring a clear barrel with visible piston-filling mechanism, screw-on translucent blue cap, and engraved TWSBI logo.
TWSBI
ECO (Transparent Blue) - Stub 1.1mm
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$59.99
X
ECO (Transparent Blue) - Stub 1.1mm fountain pen featuring a clear barrel with visible piston-filling mechanism, screw-on translucent blue cap, and engraved TWSBI logo.
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ECO (Transparent Blue) - Stub 1.1mm

$59.99

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Two TWSBI GO (Smoke) - Medium fountain pens, one capped, the other uncapped, revealing a steel nib and ink-filled spring piston mechanism.
TWSBI
GO (Smoke) - Medium
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$35.00
X
Two TWSBI GO (Smoke) - Medium fountain pens, one capped, the other uncapped, revealing a steel nib and ink-filled spring piston mechanism.
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GO (Smoke) - Medium

$35.00

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TWSBI ECO (Indigo Blue / Bronze) - Extra Fine Fountain Pen
TWSBI
ECO (Indigo Blue / Bronze) - Extra Fine
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$95.00
X
TWSBI ECO (Indigo Blue / Bronze) - Extra Fine Fountain Pen

ECO (Indigo Blue / Bronze) - Extra Fine

$95.00

TWSBI

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TWSBI SWIPE (Prussian Blue) - Medium Fountain Pen
TWSBI
SWIPE (Prussian Blue) - Medium
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$43.50
X
TWSBI SWIPE (Prussian Blue) - Medium Fountain Pen
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SWIPE (Prussian Blue) - Medium

$43.50

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TWSBI ECO (Smoke / Rose Gold) - Fine Fountain Pen
TWSBI
ECO (Smoke / Rose Gold) - Fine
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$95.00
X
TWSBI ECO (Smoke / Rose Gold) - Fine Fountain Pen
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ECO (Smoke / Rose Gold) - Fine

$95.00

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TWSBI ECO (Smoke / Rose Gold) - Medium Fountain Pen
TWSBI
ECO (Smoke / Rose Gold) - Medium
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$95.00
X
TWSBI ECO (Smoke / Rose Gold) - Medium Fountain Pen
/ 1 / 2

ECO (Smoke / Rose Gold) - Medium

$95.00

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TWSBI ECO (Transparent Purple) - Extra Fine Fountain Pen
TWSBI
ECO (Transparent Purple) - Extra Fine
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$59.99
X
TWSBI ECO (Transparent Purple) - Extra Fine Fountain Pen

ECO (Transparent Purple) - Extra Fine

$59.99

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GO (Clear) - Extra Fine fountain pen with visible nib section, transparent ink converter, and spring piston mechanism, shown with snap-on cap beside it.
TWSBI
GO (Clear) - Extra Fine
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$35.00
X
GO (Clear) - Extra Fine fountain pen with visible nib section, transparent ink converter, and spring piston mechanism, shown with snap-on cap beside it.
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GO (Clear) - Extra Fine

$35.00

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Two TWSBI GO (Sapphire) - Fine fountain pens, one capped and one uncapped, displaying a stainless-steel nib and piston ink reservoir.
TWSBI
GO (Sapphire) - Fine
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$35.00
X
Two TWSBI GO (Sapphire) - Fine fountain pens, one capped and one uncapped, displaying a stainless-steel nib and piston ink reservoir.

GO (Sapphire) - Fine

$35.00

TWSBI

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Diamond 580 ALR (Nickel Gray) - Extra Fine fountain pen featuring a transparent body, visible piston-filling mechanism, and matte aluminum detailing for elegant writing.
TWSBI
Diamond 580 ALR (Nickel Gray) - Extra Fine
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$120.00
X
Diamond 580 ALR (Nickel Gray) - Extra Fine fountain pen featuring a transparent body, visible piston-filling mechanism, and matte aluminum detailing for elegant writing.
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Diamond 580 ALR (Nickel Gray) - Extra Fine

$120.00

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TWSBI ECO (Espresso/Bronze) - Extra Fine fountain pens showing clear barrels, one uncapped to display the nib and piston-filling mechanism, with brown caps and gold trim.
TWSBI
ECO (Espresso / Bronze) - Medium
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$95.00
X
TWSBI ECO (Espresso/Bronze) - Extra Fine fountain pens showing clear barrels, one uncapped to display the nib and piston-filling mechanism, with brown caps and gold trim.
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ECO (Espresso / Bronze) - Medium

$95.00

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TWSBI ECO-T (Saffron) - Medium Fountain Pen
TWSBI
ECO-T (Saffron) - Medium
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$59.99
X
TWSBI ECO-T (Saffron) - Medium Fountain Pen
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ECO-T (Saffron) - Medium

$59.99

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TWSBI ECO-T (Saffron) - Stub 1.1mm Fountain Pen
TWSBI
ECO-T (Saffron) - Stub 1.1mm
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$59.99
X
TWSBI ECO-T (Saffron) - Stub 1.1mm Fountain Pen
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ECO-T (Saffron) - Stub 1.1mm

$59.99

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TWSBI ECO (Cerulean) - Medium Fountain Pen
TWSBI
ECO (Cerulean) - Medium
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$59.99
X
TWSBI ECO (Cerulean) - Medium Fountain Pen

ECO (Cerulean) - Medium

$59.99

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TWSBI Diamond 580 ALR (Navy Blue) - Fine Fountain Pen
TWSBI
Diamond 580 ALR (Navy Blue) - Fine
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$120.00
X
TWSBI Diamond 580 ALR (Navy Blue) - Fine Fountain Pen

Diamond 580 ALR (Navy Blue) - Fine

$120.00

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TWSBI SWIPE (Smoke) - Broad Fountain Pen
TWSBI
SWIPE (Smoke) - Broad
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$43.50
X
TWSBI SWIPE (Smoke) - Broad Fountain Pen
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SWIPE (Smoke) - Broad

$43.50

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TWSBI ECO-T (Mint Blue) - Extra Fine Fountain Pen
TWSBI
ECO-T (Mint Blue) - Extra Fine
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$59.99
X
TWSBI ECO-T (Mint Blue) - Extra Fine Fountain Pen

ECO-T (Mint Blue) - Extra Fine

$59.99

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TWSBI ECO-T (Mint Blue) - Broad Fountain Pen
TWSBI
ECO-T (Mint Blue) - Broad
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$59.99
X
TWSBI ECO-T (Mint Blue) - Broad Fountain Pen

ECO-T (Mint Blue) - Broad

$59.99

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ECO-T (Clear) - Extra Fine fountain pen with transparent barrel, visible nib, piston ink-filling mechanism, and clear cap with metal clip. Designed for improved grip technique.
TWSBI
ECO-T (Clear) - Extra Fine
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$59.99
X
ECO-T (Clear) - Extra Fine fountain pen with transparent barrel, visible nib, piston ink-filling mechanism, and clear cap with metal clip. Designed for improved grip technique.
/ 1 / 2 / 3

ECO-T (Clear) - Extra Fine

$59.99

TWSBI

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TWSBI GO (Sapphire) - Extra Fine pen with clear body, translucent cap, blue barrel, steel nib, and visible piston filling mechanism, shown capped and uncapped.
TWSBI
GO (Sapphire) - Extra Fine
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$35.00
X
TWSBI GO (Sapphire) - Extra Fine pen with clear body, translucent cap, blue barrel, steel nib, and visible piston filling mechanism, shown capped and uncapped.

GO (Sapphire) - Extra Fine

$35.00

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new ECO (Carrara / Onyx) - Stub 1.1
TWSBI
ECO (Carrara / Onyx) - Stub 1.1
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$105.00
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ECO (Carrara / Onyx) - Stub 1.1
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ECO (Carrara / Onyx) - Stub 1.1

$105.00

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ECO (Irish Green/Onyx) - Extra Fine fountain pen with a clear barrel, green trim, capped and uncapped, revealing the black steel nib and piston fill mechanism.
TWSBI
ECO (Irish Green/ Onyx) - Extra Fine
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$95.00
X
ECO (Irish Green/Onyx) - Extra Fine fountain pen with a clear barrel, green trim, capped and uncapped, revealing the black steel nib and piston fill mechanism.
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ECO (Irish Green/ Onyx) - Extra Fine

$95.00

TWSBI

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TWSBI ECO (Indigo Blue / Bronze) - Stub 1.1 Fountain Pen
TWSBI
ECO (Indigo Blue / Bronze) - Stub 1.1
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$95.00
X
TWSBI ECO (Indigo Blue / Bronze) - Stub 1.1 Fountain Pen

ECO (Indigo Blue / Bronze) - Stub 1.1

$95.00

TWSBI

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TWSBI ECO (Cerulean) - Fine Fountain Pen
TWSBI
ECO (Cerulean) - Fine
-
$59.99
X
TWSBI ECO (Cerulean) - Fine Fountain Pen

ECO (Cerulean) - Fine

$59.99

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TWSBI Diamond Mini Rose Gold II (White) - Extra Fine Fountain Pen
TWSBI
Diamond Mini Rose Gold II (White) - Extra Fine
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$135.00
X
TWSBI Diamond Mini Rose Gold II (White) - Extra Fine Fountain Pen

Diamond Mini Rose Gold II (White) - Extra Fine

$135.00

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TWSBI ECO (White/ Rose Gold) - Broad Fountain Pen
TWSBI
ECO (White/ Rose Gold) - Broad
-
$95.00
X
TWSBI ECO (White/ Rose Gold) - Broad Fountain Pen

ECO (White/ Rose Gold) - Broad

$95.00

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TWSBI ECO (White) - Broad: A clear demonstrator fountain pen, featuring a silver-trim, piston-fill mechanism, with cap on and off, revealing the steel nib and ink reservoir.
TWSBI
ECO (White) - Broad
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$59.99
X
TWSBI ECO (White) - Broad: A clear demonstrator fountain pen, featuring a silver-trim, piston-fill mechanism, with cap on and off, revealing the steel nib and ink reservoir.

ECO (White) - Broad

$59.99

TWSBI

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new ECO (Carrara / Onyx) - Fine
TWSBI
ECO (Carrara / Onyx) - Fine
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$105.00
X
ECO (Carrara / Onyx) - Fine
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ECO (Carrara / Onyx) - Fine

$105.00

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TWSBI ECO fountain pen in Caffe/Bronze, featuring a extra fine nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
TWSBI
ECO (Caffe / Bronze) - Extra Fine
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$95.00
X
TWSBI ECO fountain pen in Caffe/Bronze, featuring a extra fine nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
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ECO (Caffe / Bronze) - Extra Fine

$95.00

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TWSBI ECO fountain pen in Caffe/Bronze, featuring a medium nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
TWSBI
ECO (Caffe / Bronze) - Medium
-
$95.00
X
TWSBI ECO fountain pen in Caffe/Bronze, featuring a medium nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
/ 1 / 2 / 3 / 4

ECO (Caffe / Bronze) - Medium

$95.00

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TWSBI ECO fountain pen in Caffe/Bronze, featuring a Stub 1.1 nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
TWSBI
ECO (Caffe / Bronze) - Stub 1.1
-
$95.00
X
TWSBI ECO fountain pen in Caffe/Bronze, featuring a Stub 1.1 nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
/ 1 / 2 / 3 / 4

ECO (Caffe / Bronze) - Stub 1.1

$95.00

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TWSBI ECO (Creme / Rose Gold) - Broad Fountain Pen
TWSBI
ECO (Creme / Rose Gold) - Broad
-
$95.00
X
TWSBI ECO (Creme / Rose Gold) - Broad Fountain Pen
/ 1 / 2 / 3 / 4

ECO (Creme / Rose Gold) - Broad

$95.00

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TWSBI ECO (Glow Purple) - Broad Fountain Pen
TWSBI
ECO (Glow Purple) - Broad
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$59.99
X
TWSBI ECO (Glow Purple) - Broad Fountain Pen
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ECO (Glow Purple) - Broad

$59.99

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TWSBI ECO (Glow) - Medium Fountain Pen
TWSBI
ECO (Glow) - Medium
-
$59.99
X
TWSBI ECO (Glow) - Medium Fountain Pen

ECO (Glow) - Medium

$59.99

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TWSBI SWIPE (Pear Green) - Medium Fountain Pen
TWSBI
SWIPE (Pear Green) - Medium
-
$43.50
X
TWSBI SWIPE (Pear Green) - Medium Fountain Pen

SWIPE (Pear Green) - Medium

$43.50

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TWSBI SWIPE (Smoke) - Medium Fountain Pen
TWSBI
SWIPE (Smoke) - Medium
-
$43.50
X
TWSBI SWIPE (Smoke) - Medium Fountain Pen
/ 1 / 2 / 3

SWIPE (Smoke) - Medium

$43.50

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TWSBI SWIPE (Prussian Blue) - Extra Fine Fountain Pen
TWSBI
SWIPE (Prussian Blue) - Extra Fine
-
$43.50
X
TWSBI SWIPE (Prussian Blue) - Extra Fine Fountain Pen
/ 1 / 2

SWIPE (Prussian Blue) - Extra Fine

$43.50

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TWSBI Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.
TWSBI
Diamond 580 ALR (Prussian Blue) - Broad
-
$120.00
X
TWSBI Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.

Diamond 580 ALR (Prussian Blue) - Broad

$120.00

TWSBI

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Diamond 580 ALR (Prussian Blue) - Stub 1.1 fountain pen with transparent barrel and cap, blue metal trim, steel nib, and piston-filling mechanism.
TWSBI
Diamond 580 ALR (Prussian Blue) - Stub 1.1
-
$120.00
X
Diamond 580 ALR (Prussian Blue) - Stub 1.1 fountain pen with transparent barrel and cap, blue metal trim, steel nib, and piston-filling mechanism.

Diamond 580 ALR (Prussian Blue) - Stub 1.1

$120.00

TWSBI

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