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 (Iris) - Extra Fine Fountain Pen
TWSBI
Diamond 580 (Iris) - Extra Fine
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$155.00
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TWSBI Diamond 580 (Iris) - Extra Fine Fountain Pen
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Diamond 580 (Iris) - Extra Fine

$155.00

TWSBI

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TWSBI Diamond 580 ALR (Navy Blue) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Navy Blue) - Extra Fine
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$120.00
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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 (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
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$155.00
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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.

Diamond 580 ALR (Caribbean with Onyx) - Extra Fine

$155.00

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
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$59.99
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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.
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ECO (Sky Blue) - Extra Fine

$59.99

TWSBI

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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
TWSBI
ECO (Amazonite) - Extra Fine
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$68.00
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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
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ECO (Amazonite) - Extra Fine

$68.00

TWSBI

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TWSBI VAC 700R (Kyanite) - Extra Fine fountain pen with a clear demonstrator design, showcasing a transparent barrel and cap, featuring a vacuum system and blue trim.
TWSBI
VAC 700R (Kyanite) - Extra Fine
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$150.00
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TWSBI VAC 700R (Kyanite) - Extra Fine fountain pen with a clear demonstrator design, showcasing a transparent barrel and cap, featuring a vacuum system and blue trim.
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VAC 700R (Kyanite) - Extra Fine

$150.00

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) - Extra Fine
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$120.00
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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.
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Diamond 580 ALR (Iceberg) - Extra Fine

$120.00

TWSBI

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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

TWSBI

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TWSBI Diamond 580 ALR (Sunset Yellow) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Extra Fine
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$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Extra Fine Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Extra Fine

$120.00

TWSBI

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

Diamond Mini AL (Grape) - Extra Fine

$109.00

TWSBI

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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

TWSBI

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

SWIPE (Pear Green) - Extra Fine

$43.50

TWSBI

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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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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
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$159.00
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TWSBI Precision (Gemini Blue) fountain pen with extra fine nib, featuring a faceted barrel, chrome trim, ink-view window, and piston filling mechanism.
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Precision (Gemini Blue) - Extra Fine

$159.00

TWSBI

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TWSBI ECO-T (Eggplant) fountain pen with transparent body, purple accents, and mediummm stainless-steel nib, showcasing internal piston-filling mechanism.
TWSBI
ECO-T (Eggplant) - Extra Fine
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$59.99
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TWSBI ECO-T (Eggplant) fountain pen with transparent body, purple accents, and mediummm stainless-steel nib, showcasing internal piston-filling mechanism.
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ECO-T (Eggplant) - Extra Fine

$59.99

TWSBI

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TWSBI SWIPE (Blue Ice) - Extra Fine Fountain Pen
TWSBI
SWIPE (Blue Ice) - Extra Fine
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$43.50
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TWSBI SWIPE (Blue Ice) - Extra Fine Fountain Pen
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SWIPE (Blue Ice) - Extra Fine

$43.50

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

$59.99

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
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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 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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