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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new Obsidian (LE) - Broad
TWSBI
Obsidian (LE) - Broad
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$250.00
X
Obsidian (LE) - Broad
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Obsidian (LE) - Broad

$250.00

TWSBI

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new TWSBI Diamond 580 ALR (Affogato with Onyx) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Affogato with Onyx) - Fine
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$155.00
X
TWSBI Diamond 580 ALR (Affogato with Onyx) - Medium Fountain Pen
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Diamond 580 ALR (Affogato with Onyx) - Fine

$155.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Fine
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Fine

$155.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Broad
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Broad

$155.00

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
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$165.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine Fountain Pen

Diamond 580 ALR (Caribbean with Onyx) - Stub 1.1

$165.00

TWSBI

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TWSBI ECO (Sky Blue) - Broad Fountain Pen
TWSBI
ECO (Sky Blue) - Fine
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$59.99
X
TWSBI ECO (Sky Blue) - Broad Fountain Pen
/ 1 / 2 / 3

ECO (Sky Blue) - Fine

$59.99

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

TWSBI

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

ECO-T (Eggplant) - Fine

$59.99

TWSBI

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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Iceberg) - Broad
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$120.00
X
TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
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Diamond 580 ALR (Iceberg) - Broad

$120.00

TWSBI

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

$95.00

TWSBI

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TWSBI Diamond 580 (White/Rose Gold) - Extra Fine Fountain Pen
TWSBI
Diamond 580 (White/Rose Gold) - Extra Fine
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$155.00
X
TWSBI Diamond 580 (White/Rose Gold) - Extra Fine Fountain Pen

Diamond 580 (White/Rose Gold) - Extra Fine

$155.00

TWSBI

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TWSBI Diamond 580 (White/Rose Gold) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 (White/Rose Gold) - Stub 1.1
-
$165.00
X
TWSBI Diamond 580 (White/Rose Gold) - Stub 1.1 Fountain Pen

Diamond 580 (White/Rose Gold) - Stub 1.1

$165.00

TWSBI

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TWSBI Diamond 580 ALR (Navy Blue) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Navy Blue) - Stub 1.1
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$120.00
X
TWSBI Diamond 580 ALR (Navy Blue) - Stub 1.1 Fountain Pen

Diamond 580 ALR (Navy Blue) - Stub 1.1

$120.00

TWSBI

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TWSBI Diamond 580 ALR (Punch Pink) - Broad Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Broad
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$120.00
X
TWSBI Diamond 580 ALR (Punch Pink) - Broad Fountain Pen
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Diamond 580 ALR (Punch Pink) - Broad

$120.00

TWSBI

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Diamond Mini AL (Silver) - Stub 1.1 fountain pen with clear barrel, showing piston mechanism, stainless-steel nib, and matching transparent cap with metal clip and red emblem.
TWSBI
Diamond Mini AL (Silver) - Stub 1.1
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$115.00
X
Diamond Mini AL (Silver) - Stub 1.1 fountain pen with clear barrel, showing piston mechanism, stainless-steel nib, and matching transparent cap with metal clip and red emblem.

Diamond Mini AL (Silver) - Stub 1.1

$115.00

TWSBI

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TWSBI Diamond Mini AL (Silver) - Broad Fountain Pen
TWSBI
Diamond Mini AL (Silver) - Broad
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$109.00
X
TWSBI Diamond Mini AL (Silver) - Broad Fountain Pen

Diamond Mini AL (Silver) - Broad

$109.00

TWSBI

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TWSBI Diamond Mini AL (Silver) - Medium Fountain Pen
TWSBI
Diamond Mini AL (Silver) - Medium
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$109.00
X
TWSBI Diamond Mini AL (Silver) - Medium Fountain Pen

Diamond Mini AL (Silver) - Medium

$109.00

TWSBI

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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.
TWSBI
Diamond Mini AL (Silver) - Fine
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$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.

Diamond Mini AL (Silver) - Fine

$109.00

TWSBI

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TWSBI Diamond Mini AL (Silver) - Extra Fine Fountain Pen
TWSBI
Diamond Mini AL (Silver) - Extra Fine
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$109.00
X
TWSBI Diamond Mini AL (Silver) - Extra Fine Fountain Pen

Diamond Mini AL (Silver) - Extra Fine

$109.00

TWSBI

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VAC Mini (Smoke) - Stub 1.1 fountain pen with transparent barrel, showcasing a stainless-steel nib and piston-filling mechanism; cap removed and placed aside.
TWSBI
VAC Mini (Smoke) - Stub 1.1
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$110.00
X
VAC Mini (Smoke) - Stub 1.1 fountain pen with transparent barrel, showcasing a stainless-steel nib and piston-filling mechanism; cap removed and placed aside.
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VAC Mini (Smoke) - Stub 1.1

$110.00

TWSBI

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