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 ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Stub 1.1
-
$59.99
X
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
/ 1 / 2 / 3

ECO (Sky Blue) - Stub 1.1

$59.99

TWSBI

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TWSBI Kai (LE) - Broad fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
TWSBI
TWSBI Kai (LE) - Broad
-
$235.00
X
TWSBI Kai (LE) - Broad fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
/ 1 / 2 / 3

TWSBI Kai (LE) - Broad

$235.00

TWSBI

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

ECO (Cerulean) - Extra Fine

$59.99

TWSBI

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

Diamond 580 ALR (Navy Blue) - Extra Fine

$120.00

TWSBI

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

Diamond 580 ALR (Navy Blue) - Broad

$120.00

TWSBI

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TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Extra Fine
-
$59.99
X
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
/ 1 / 2 / 3

ECO (Sky Blue) - Extra Fine

$59.99

TWSBI

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TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Medium
-
$59.99
X
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
/ 1 / 2 / 3

ECO (Sky Blue) - Medium

$59.99

TWSBI

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TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Broad
-
$59.99
X
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
/ 1 / 2 / 3

ECO (Sky Blue) - Broad

$59.99

TWSBI

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TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Fine
-
$120.00
X
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Fine

$120.00

TWSBI

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TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Medium
-
$120.00
X
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Medium

$120.00

TWSBI

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TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Stub 1.1
-
$120.00
X
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Stub 1.1

$120.00

TWSBI

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TWSBI ECO (Dark Sapphire) fountain pen, broad nib, showcasing clear barrel and bright blue cap; one pen capped, one uncapped revealing metal nib.
TWSBI
ECO (Dark Sapphire) - Broad
-
$59.99
X
TWSBI ECO (Dark Sapphire) fountain pen, broad nib, showcasing clear barrel and bright blue cap; one pen capped, one uncapped revealing metal nib.
/ 1 / 2

ECO (Dark Sapphire) - Broad

$59.99

TWSBI

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TWSBI Kai (LE) - extra fine fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
TWSBI
TWSBI Kai (LE) - Extra Fine
-
$235.00
X
TWSBI Kai (LE) - extra fine fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
/ 1 / 2 / 3

TWSBI Kai (LE) - Extra Fine

$235.00

TWSBI

More Details →
TWSBI Kai (LE) - Fine fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
TWSBI
TWSBI Kai (LE) - Fine
-
$235.00
X
TWSBI Kai (LE) - Fine fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
/ 1 / 2 / 3

TWSBI Kai (LE) - Fine

$235.00

TWSBI

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TWSBI SWIPE (Blue Ice) - Broad Fountain Pen
TWSBI
SWIPE (Blue Ice) - Broad
-
$43.50
X
TWSBI SWIPE (Blue Ice) - Broad Fountain Pen
/ 1 / 2 / 3

SWIPE (Blue Ice) - Broad

$43.50

TWSBI

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new TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
TWSBI
Precision (Gemini Blue) - Extra Fine
-
$159.00
X
TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
/ 1 / 2 / 3 / 4 / 5 / 6

Precision (Gemini Blue) - Extra Fine

$159.00

TWSBI

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new TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
TWSBI
Precision (Gemini Blue) - Fine
-
$159.00
X
TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
/ 1 / 2 / 3 / 4 / 5 / 6

Precision (Gemini Blue) - Fine

$159.00

TWSBI

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new TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
TWSBI
Precision (Gemini Blue) - Medium
-
$159.00
X
TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
/ 1 / 2 / 3 / 4 / 5 / 6

Precision (Gemini Blue) - Medium

$159.00

TWSBI

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new TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
TWSBI
Precision (Gemini Blue) - Broad
-
$159.00
X
TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
/ 1 / 2 / 3 / 4 / 5 / 6

Precision (Gemini Blue) - Broad

$159.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Extra Fine
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Extra Fine

$155.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Fine
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Fine

$155.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Medium
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Medium

$155.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Broad
-
$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Broad

$155.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Stub 1.1
-
$165.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Stub 1.1

$165.00

TWSBI

More Details →
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Fine
-
$59.99
X
TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
/ 1 / 2 / 3

ECO (Sky Blue) - Fine

$59.99

TWSBI

More Details →
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Extra Fine
-
$120.00
X
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Extra Fine

$120.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Broad
-
$120.00
X
TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Broad

$120.00

TWSBI

More Details →
TWSBI ECO (Dark Sapphire) fountain pen, stub 1.1 nib, showcasing clear barrel and bright blue cap; one pen capped, one uncapped revealing metal nib.
TWSBI
ECO (Dark Sapphire) - Stub 1.1
-
$59.99
X
TWSBI ECO (Dark Sapphire) fountain pen, stub 1.1 nib, showcasing clear barrel and bright blue cap; one pen capped, one uncapped revealing metal nib.
/ 1 / 2

ECO (Dark Sapphire) - Stub 1.1

$59.99

TWSBI

More Details →
TWSBI Kai (LE) - Medium fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
TWSBI
TWSBI Kai (LE) - Medium
-
$235.00
X
TWSBI Kai (LE) - Medium fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
/ 1 / 2 / 3

TWSBI Kai (LE) - Medium

$235.00

TWSBI

More Details →
TWSBI SWIPE (Blue Ice) - Extra Fine Fountain Pen
TWSBI
SWIPE (Blue Ice) - Extra Fine
-
$43.50
X
TWSBI SWIPE (Blue Ice) - Extra Fine Fountain Pen
/ 1 / 2 / 3

SWIPE (Blue Ice) - Extra Fine

$43.50

TWSBI

More Details →
TWSBI SWIPE (Blue Ice) - Fine Fountain Pen
TWSBI
SWIPE (Blue Ice) - Fine
-
$43.50
X
TWSBI SWIPE (Blue Ice) - Fine Fountain Pen
/ 1 / 2 / 3

SWIPE (Blue Ice) - Fine

$43.50

TWSBI

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

SWIPE (Blue Ice) - Medium

$43.50

TWSBI

More Details →
TWSBI Diamond 580 ALR (Navy Blue) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Navy Blue) - Stub 1.1
-
$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

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

SWIPE (Prussian Blue) - Fine

$43.50

TWSBI

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