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 (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

TWSBI

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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.
/ 1 / 2

GO (Smoke) - Medium

$35.00

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Diamond 580 Nib Set - Broad, showcasing a TWSBI steel nib and clear ink converter, designed for the TWSBI Diamond 580 fountain pen series.
TWSBI
Diamond 580 Nib Set - Broad
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$34.50
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Diamond 580 Nib Set - Broad, showcasing a TWSBI steel nib and clear ink converter, designed for the TWSBI Diamond 580 fountain pen series.

Diamond 580 Nib Set - Broad

$34.50

TWSBI

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Diamond 580 Nib Set - Stub 1.5 features a polished steel nib with decorative etching, attached to its grip, alongside an ink converter assembly.
TWSBI
Diamond 580 Nib Set - Stub 1.5
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$39.50
X
Diamond 580 Nib Set - Stub 1.5 features a polished steel nib with decorative etching, attached to its grip, alongside an ink converter assembly.

Diamond 580 Nib Set - Stub 1.5

$39.50

TWSBI

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TWSBI ECO (Amazonite) - Extra Fine Fountain Pen
TWSBI
ECO (Amazonite) - Medium
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$68.00
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TWSBI ECO (Amazonite) - Extra Fine Fountain Pen
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ECO (Amazonite) - Medium

$68.00

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TWSBI ECO (Caffe / Bronze) - Fine Fountain Pen
TWSBI
ECO (Caffe / Bronze) - Fine
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$95.00
X
TWSBI ECO (Caffe / Bronze) - Fine Fountain Pen
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ECO (Caffe / Bronze) - Fine

$95.00

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TWSBI Diamond 580 (Iris) - Medium Fountain Pen
TWSBI
Diamond 580 (Iris) - Medium
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$155.00
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TWSBI Diamond 580 (Iris) - Medium Fountain Pen
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Diamond 580 (Iris) - Medium

$155.00

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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

TWSBI

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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 VAC 700R (IRIS) - Broad Fountain Pen
TWSBI
VAC 700R (IRIS) - Broad
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$150.00
X
TWSBI VAC 700R (IRIS) - Broad Fountain Pen

VAC 700R (IRIS) - Broad

$150.00

TWSBI

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Two Diamond 580 (Smoke/Rose Gold) fountain pens, one capped and one uncapped, showcasing the clear barrel, rose-gold trim, and visible piston mechanism.
TWSBI
Diamond 580 (Smoke/Rose Gold) - Stub 1.1
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$165.00
X
Two Diamond 580 (Smoke/Rose Gold) fountain pens, one capped and one uncapped, showcasing the clear barrel, rose-gold trim, and visible piston mechanism.

Diamond 580 (Smoke/Rose Gold) - Stub 1.1

$165.00

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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

TWSBI

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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

TWSBI

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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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Diamond Mini Nib Set - Medium, featuring a steel nib with decorative etching, black plastic feed, and clear threaded housing for TWSBI's Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Medium
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$33.50
X
Diamond Mini Nib Set - Medium, featuring a steel nib with decorative etching, black plastic feed, and clear threaded housing for TWSBI's Diamond Mini fountain pens.

Diamond Mini Nib Set - Medium

$33.50

TWSBI

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VAC 700R (Clear) - Extra Fine fountain pen with a transparent body, visible metal nib, and branded TWSBI cap beside it, showcasing its vacuum ink reservoir.
TWSBI
VAC 700R (Clear) - Extra Fine
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$129.00
X
VAC 700R (Clear) - Extra Fine fountain pen with a transparent body, visible metal nib, and branded TWSBI cap beside it, showcasing its vacuum ink reservoir.
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VAC 700R (Clear) - Extra Fine

$129.00

TWSBI

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VAC Mini (Clear) - Fine, a transparent TWSBI fountain pen with visible piston-filling mechanism and stainless steel nib, alongside its clear screw-on cap.
TWSBI
VAC Mini (Clear) - Fine
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$110.00
X
VAC Mini (Clear) - Fine, a transparent TWSBI fountain pen with visible piston-filling mechanism and stainless steel nib, alongside its clear screw-on cap.

VAC Mini (Clear) - Fine

$110.00

TWSBI

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VAC Mini (Clear) - Extra Fine fountain pen with transparent barrel, visible piston-filling mechanism, stainless steel nib, and cap off to the side.
TWSBI
VAC Mini (Clear) - Extra Fine
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$110.00
X
VAC Mini (Clear) - Extra Fine fountain pen with transparent barrel, visible piston-filling mechanism, stainless steel nib, and cap off to the side.

VAC Mini (Clear) - Extra Fine

$110.00

TWSBI

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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

TWSBI

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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) - Fine
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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.
/ 1 / 2 / 3

ECO (Espresso / Bronze) - Fine

$95.00

TWSBI

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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) - Extra Fine
-
$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.
/ 1 / 2 / 3

ECO (Espresso / Bronze) - Extra Fine

$95.00

TWSBI

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TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
TWSBI
ECO (Irish Green/ Onyx) - Stub 1.1
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$95.00
X
TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
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ECO (Irish Green/ Onyx) - Stub 1.1

$95.00

TWSBI

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TWSBI ECO (Persian Green) - Fine Fountain Pen
TWSBI
ECO (Persian Green) - Fine
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$59.99
X
TWSBI ECO (Persian Green) - Fine Fountain Pen

ECO (Persian Green) - Fine

$59.99

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TWSBI ECO (Persian Green) - Medium Fountain Pen
TWSBI
ECO (Persian Green) - Medium
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$59.99
X
TWSBI ECO (Persian Green) - Medium Fountain Pen

ECO (Persian Green) - Medium

$59.99

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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
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TWSBI ECO-T (Saffron) - Stub 1.1mm Fountain Pen
/ 1 / 2

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

TWSBI

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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

TWSBI

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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
/ 1 / 2 / 3

SWIPE (Smoke) - Broad

$43.50

TWSBI

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

Diamond 580 ALR (Prussian Blue) - Extra Fine

$120.00

TWSBI

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

ECO (Carrara / Onyx) - Stub 1.1

$105.00

TWSBI

This product is sold out

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TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen Sold Out
TWSBI
ECO (Irish Green/ Onyx) - Fine
-
$95.00
X
TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
/ 1 / 2 / 3
Sold Out

ECO (Irish Green/ Onyx) - Fine

$95.00

TWSBI

This product is sold out

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TWSBI VAC 700R (Clear) - Fine fountain pen, transparent barrel with piston mechanism, silver nib, clear cap with red TWSBI logo, uncapped. Sold Out
TWSBI
VAC 700R (Clear) - Fine
-
$129.00
X
TWSBI VAC 700R (Clear) - Fine fountain pen, transparent barrel with piston mechanism, silver nib, clear cap with red TWSBI logo, uncapped.
/ 1 / 2 / 3
Sold Out

VAC 700R (Clear) - Fine

$129.00

TWSBI

This product is sold out

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new ECO (Plum / Onyx) - Medium Sold Out
TWSBI
ECO (Plum / Onyx) - Medium
-
$105.00
X
ECO (Plum / Onyx) - Medium
/ 1 / 2 / 3
Sold Out

ECO (Plum / Onyx) - Medium

$105.00

TWSBI

This product is sold out

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new ECO (Carrara / Onyx) - Medium Sold Out
TWSBI
ECO (Carrara / Onyx) - Medium
-
$105.00
X
ECO (Carrara / Onyx) - Medium
/ 1 / 2 / 3 / 4
Sold Out

ECO (Carrara / Onyx) - Medium

$105.00

TWSBI

This product is sold out

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Extra Fine
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$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
/ 1 / 2 / 3 / 4 / 5
Sold Out

ECO (Serpentine / Bronze) - Extra Fine

$105.00

TWSBI

This product is sold out

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Fine
-
$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
/ 1 / 2 / 3 / 4 / 5
Sold Out

ECO (Serpentine / Bronze) - Fine

$105.00

TWSBI

This product is sold out

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Medium
-
$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
/ 1 / 2 / 3 / 4 / 5
Sold Out

ECO (Serpentine / Bronze) - Medium

$105.00

TWSBI

This product is sold out

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

ECO (Cerulean) - Fine

$59.99

TWSBI

This product is sold out

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