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 (White/Rose Gold) - Medium Fountain Pen
TWSBI
Diamond 580 (White/Rose Gold) - Medium
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$155.00
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TWSBI Diamond 580 (White/Rose Gold) - Medium Fountain Pen

Diamond 580 (White/Rose Gold) - Medium

$155.00

TWSBI

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

Diamond 580 ALR (Navy Blue) - Medium

$120.00

TWSBI

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Diamond Mini (Clear) - Medium fountain pens showing piston-filling mechanisms. One capped, one uncapped revealing stainless-steel nib, with transparent barrels and silver-colored trim.
TWSBI
Diamond Mini (Clear) - Medium
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$92.00
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Diamond Mini (Clear) - Medium fountain pens showing piston-filling mechanisms. One capped, one uncapped revealing stainless-steel nib, with transparent barrels and silver-colored trim.
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Diamond Mini (Clear) - Medium

$92.00

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) - Medium
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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) - Medium

$150.00

TWSBI

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TWSBI SWIPE (Salmon) - Medium Fountain Pen
TWSBI
SWIPE (Salmon) - Medium
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$43.50
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TWSBI SWIPE (Salmon) - Medium Fountain Pen
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SWIPE (Salmon) - Medium

$43.50

TWSBI

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new ECO (Cosmos Blue / Onyx) - Medium
TWSBI
ECO (Cosmos Blue / Onyx) - Medium
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$105.00
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ECO (Cosmos Blue / Onyx) - Medium
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ECO (Cosmos Blue / Onyx) - Medium

$105.00

TWSBI

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new Diamond 580 ALR (Affogato with Onyx) - Stub 1.1 fountain pen featuring a clear barrel, piston mechanism, and orange metal accents, showcasing its elegant design and functionality.
TWSBI
Diamond 580 ALR (Affogato with Onyx) - Medium
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$155.00
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Diamond 580 ALR (Affogato with Onyx) - Stub 1.1 fountain pen featuring a clear barrel, piston mechanism, and orange metal accents, showcasing its elegant design and functionality.
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Diamond 580 ALR (Affogato with Onyx) - Medium

$155.00

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) - Medium
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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) - Medium

$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) - Medium
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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) - Medium

$120.00

TWSBI

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

Diamond 580 ALR (Sunset Yellow) - Medium

$120.00

TWSBI

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

$120.00

TWSBI

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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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$120.00
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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.
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Diamond 580AL (Silver) - Medium

$120.00

TWSBI

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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

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
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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) - Medium

$159.00

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TWSBI TWSBI Kai (LE) - Medium Fountain Pen
TWSBI
TWSBI Kai (LE) - Medium
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$235.00
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TWSBI TWSBI Kai (LE) - Medium Fountain Pen
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TWSBI Kai (LE) - Medium

$235.00

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TWSBI SWIPE (Blue Ice) - Medium Fountain Pen
TWSBI
SWIPE (Blue Ice) - Medium
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$43.50
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TWSBI SWIPE (Blue Ice) - Medium Fountain Pen
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SWIPE (Blue Ice) - Medium

$43.50

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
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TWSBI Diamond Mini AL (Silver) - Medium Fountain Pen

Diamond Mini AL (Silver) - Medium

$109.00

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. Sold Out
TWSBI
ECO (Sky Blue) - Medium
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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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Sold Out

ECO (Sky Blue) - Medium

$59.99

TWSBI

This product is sold out

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TWSBI Diamond 580 ALR (Black) - Medium Fountain Pen Sold Out
TWSBI
Diamond 580 ALR (Black) - Medium
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$120.00
X
TWSBI Diamond 580 ALR (Black) - Medium Fountain Pen
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Sold Out

Diamond 580 ALR (Black) - Medium

$120.00

TWSBI

This product is sold out

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TWSBI ECO (Transparent Yellow) - Medium Fountain Pen Sold Out
TWSBI
ECO (Transparent Yellow) - Medium
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$59.99
X
TWSBI ECO (Transparent Yellow) - Medium Fountain Pen
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Sold Out

ECO (Transparent Yellow) - Medium

$59.99

TWSBI

This product is sold out

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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. Sold Out
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Medium
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$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.
Sold Out

Diamond 580 ALR (Caribbean with Onyx) - Medium

$155.00

TWSBI

This product is sold out

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