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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TWSBI Diamond 580 ALR (Black) - Broad Fountain Pen
TWSBI
Diamond 580 ALR (Black) - Broad
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$129.00
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TWSBI Diamond 580 ALR (Black) - Broad Fountain Pen
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Diamond 580 ALR (Black) - Broad

$129.00

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TWSBI Diamond 580 ALR (Black) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Black) - Stub 1.1
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$129.00
X
TWSBI Diamond 580 ALR (Black) - Stub 1.1 Fountain Pen
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Diamond 580 ALR (Black) - Stub 1.1

$129.00

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TWSBI TWSBI Kai (LE) - Extra Fine Fountain Pen
TWSBI
TWSBI Kai (LE) - Extra Fine
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$235.00
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TWSBI TWSBI Kai (LE) - Extra Fine Fountain Pen
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TWSBI Kai (LE) - Extra Fine

$235.00

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TWSBI TWSBI Kai (LE) - Fine Fountain Pen
TWSBI
TWSBI Kai (LE) - Fine
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$235.00
X
TWSBI TWSBI Kai (LE) - Fine Fountain Pen
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TWSBI Kai (LE) - Fine

$235.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Fine Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Fine
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$129.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Fine Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Fine

$129.00

TWSBI

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TWSBI Diamond 580 ALR (Sunset Yellow) - Broad Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Broad
-
$129.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Broad Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Broad

$129.00

TWSBI

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TWSBI Diamond 580 ALR (Sunset Yellow) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Stub 1.1
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$129.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Stub 1.1 Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Stub 1.1

$129.00

TWSBI

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

ECO (Heat) - Fine

$59.99

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TWSBI ECO (Heat) - Stub 1.1 Fountain Pen
TWSBI
ECO (Heat) - Stub 1.1
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$59.99
X
TWSBI ECO (Heat) - Stub 1.1 Fountain Pen

ECO (Heat) - Stub 1.1

$59.99

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

ECO (Persian Green) - Extra Fine

$59.99

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TWSBI ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Broad Fountain Pen
TWSBI
ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Broad
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$129.00
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TWSBI ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Broad Fountain Pen
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ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Broad

$129.00

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

$59.99

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

$155.00

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TWSBI Diamond 580 (White/Rose Gold) - Broad Fountain Pen
TWSBI
Diamond 580 (White/Rose Gold) - Broad
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$159.00
X
TWSBI Diamond 580 (White/Rose Gold) - Broad Fountain Pen

Diamond 580 (White/Rose Gold) - Broad

$159.00

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

SWIPE (Pear Green) - Extra Fine

$43.50

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

SWIPE (Pear Green) - Fine

$43.50

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TWSBI SWIPE (Pear Green) - Stub 1.1 Fountain Pen
TWSBI
SWIPE (Pear Green) - Stub 1.1
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$43.50
X
TWSBI SWIPE (Pear Green) - Stub 1.1 Fountain Pen

SWIPE (Pear Green) - Stub 1.1

$43.50

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TWSBI SWIPE (Salmon) - Extra Fine Fountain Pen
TWSBI
SWIPE (Salmon) - Extra Fine
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$43.50
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TWSBI SWIPE (Salmon) - Extra Fine Fountain Pen
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SWIPE (Salmon) - Extra Fine

$43.50

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TWSBI Diamond 580 ALR (Punch Pink) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Medium
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$129.00
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TWSBI Diamond 580 ALR (Punch Pink) - Medium Fountain Pen
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Diamond 580 ALR (Punch Pink) - Medium

$129.00

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Diamond 580AL (Silver) - Medium fountain pen, uncapped, showcasing transparent barrel, steel nib, piston mechanism, and silver trim, with a clear cap featuring a metal clip.
TWSBI
Diamond 580AL (Silver) - Medium
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$129.00
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Diamond 580AL (Silver) - Medium fountain pen, uncapped, showcasing transparent barrel, steel nib, piston mechanism, and silver trim, with a clear cap featuring a metal clip.
/ 1 / 2

Diamond 580AL (Silver) - Medium

$129.00

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Diamond Mini (Clear) - Broad fountain pens, featuring a transparent body and silver trim; one capped, the other uncapped to show the stainless-steel nib.
TWSBI
Diamond Mini (Clear) - Broad
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$92.00
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Diamond Mini (Clear) - Broad fountain pens, featuring a transparent body and silver trim; one capped, the other uncapped to show the stainless-steel nib.
/ 1 / 2

Diamond Mini (Clear) - Broad

$92.00

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VAC Mini (Smoke) - Broad fountain pen, clear-bodied with a visible metal nib and piston-fill mechanism, cap off, showcasing its transparent design and vacuum system.
TWSBI
VAC Mini (Smoke) - Broad
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$110.00
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VAC Mini (Smoke) - Broad fountain pen, clear-bodied with a visible metal nib and piston-fill mechanism, cap off, showcasing its transparent design and vacuum system.
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VAC Mini (Smoke) - Broad

$110.00

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VAC Mini (Smoke) - Medium fountain pen with clear barrel, silver nib, black feed, and transparent cap featuring a metal clip and colored logo.
TWSBI
VAC Mini (Smoke) - Medium
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$110.00
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VAC Mini (Smoke) - Medium fountain pen with clear barrel, silver nib, black feed, and transparent cap featuring a metal clip and colored logo.
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VAC Mini (Smoke) - Medium

$110.00

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new TWSBI ECO (Black Marble/ Bronze) - Stub 1.1 Fountain Pen Preorder
TWSBI
ECO (Black Marble/ Bronze) - Medium
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$105.00
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TWSBI ECO (Black Marble/ Bronze) - Stub 1.1 Fountain Pen
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Preorder

ECO (Black Marble/ Bronze) - Medium

$105.00

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new TWSBI ECO (Black Marble/ Bronze) - Stub 1.1 Fountain Pen Preorder
TWSBI
ECO (Black Marble/ Bronze) - Broad
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$105.00
X
TWSBI ECO (Black Marble/ Bronze) - Stub 1.1 Fountain Pen
/ 1 / 2 / 3 / 4
Preorder

ECO (Black Marble/ Bronze) - Broad

$105.00

TWSBI

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new TWSBI Obsidian (LE) - Medium Fountain Pen
TWSBI
Obsidian (LE) - Extra Fine
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$250.00
X
TWSBI Obsidian (LE) - Medium Fountain Pen
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Obsidian (LE) - Extra Fine

$250.00

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new TWSBI Obsidian (LE) - Medium Fountain Pen
TWSBI
Obsidian (LE) - Fine
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$250.00
X
TWSBI Obsidian (LE) - Medium Fountain Pen
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Obsidian (LE) - Fine

$250.00

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new TWSBI Obsidian (LE) - Medium Fountain Pen
TWSBI
Obsidian (LE) - Broad
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$250.00
X
TWSBI Obsidian (LE) - Medium Fountain Pen
/ 1 / 2 / 3 / 4 / 5

Obsidian (LE) - Broad

$250.00

TWSBI

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TWSBI Diamond 580 ALR (Affogato with Onyx) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Affogato with Onyx) - Fine
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$169.00
X
TWSBI Diamond 580 ALR (Affogato with Onyx) - Medium Fountain Pen
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Diamond 580 ALR (Affogato with Onyx) - Fine

$169.00

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TWSBI Precision (Gemini Blue) - Broad Fountain Pen
TWSBI
Precision (Gemini Blue) - Extra Fine
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$159.00
X
TWSBI Precision (Gemini Blue) - Broad Fountain Pen
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Precision (Gemini Blue) - Extra Fine

$159.00

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TWSBI Precision (Gemini Blue) - Broad Fountain Pen
TWSBI
Precision (Gemini Blue) - Medium
-
$159.00
X
TWSBI Precision (Gemini Blue) - Broad Fountain Pen
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Precision (Gemini Blue) - Medium

$159.00

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TWSBI Precision (Gemini Blue) - Broad Fountain Pen
TWSBI
Precision (Gemini Blue) - Broad
-
$159.00
X
TWSBI Precision (Gemini Blue) - Broad Fountain Pen
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Precision (Gemini Blue) - Broad

$159.00

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Fine
-
$169.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Fine

$169.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Broad
-
$169.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Broad

$169.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Stub 1.1
-
$169.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Stub 1.1

$169.00

TWSBI

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

$150.00

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TWSBI ECO-T (Eggplant) - Stub 1.1 Fountain Pen
TWSBI
ECO-T (Eggplant) - Extra Fine
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$59.99
X
TWSBI ECO-T (Eggplant) - Stub 1.1 Fountain Pen
/ 1 / 2

ECO-T (Eggplant) - Extra Fine

$59.99

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TWSBI ECO-T (Eggplant) - Stub 1.1 Fountain Pen
TWSBI
ECO-T (Eggplant) - Fine
-
$59.99
X
TWSBI ECO-T (Eggplant) - Stub 1.1 Fountain Pen
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ECO-T (Eggplant) - Fine

$59.99

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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Iceberg) - Broad
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$129.00
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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
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Diamond 580 ALR (Iceberg) - Broad

$129.00

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Diamond Mini AL (Silver) - Fine fountain pen with clear barrel, visible piston mechanism, metal nib, and cap set aside, showcasing compact, sturdy design. Sold Out
TWSBI
Diamond Mini AL (Silver) - Fine
-
$109.00
X
Diamond Mini AL (Silver) - Fine fountain pen with clear barrel, visible piston mechanism, metal nib, and cap set aside, showcasing compact, sturdy design.
Sold Out

Diamond Mini AL (Silver) - Fine

$109.00

TWSBI

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