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 (Glow Green) - Fine fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.
TWSBI
ECO (Glow) - Fine
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$59.99
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TWSBI ECO (Glow Green) - Fine fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.

ECO (Glow) - Fine

$59.99

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TWSBI SWIPE (Smoke) - Fine Fountain Pen
TWSBI
SWIPE (Smoke) - Fine
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$43.50
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TWSBI SWIPE (Smoke) - Fine Fountain Pen
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SWIPE (Smoke) - Fine

$43.50

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TWSBI GO (Clear) - Fine Fountain Pen
TWSBI
GO (Clear) - Fine
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$35.00
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TWSBI GO (Clear) - Fine Fountain Pen
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GO (Clear) - Fine

$35.00

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new ECO (Carrara / Onyx) - Fine
TWSBI
ECO (Carrara / Onyx) - Fine
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$105.00
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ECO (Carrara / Onyx) - Fine
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ECO (Carrara / Onyx) - Fine

$105.00

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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.
TWSBI
Diamond 580 ALR (Iceberg) - 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) - Fine

$120.00

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TWSBI Diamond 580ALR (Black) - fine fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
TWSBI
Diamond 580 ALR (Black) - Fine
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$120.00
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TWSBI Diamond 580ALR (Black) - fine fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
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Diamond 580 ALR (Black) - Fine

$120.00

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

$235.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Fine fountain pen, showcasing a clear body with metallic trim, featuring a piston-filling mechanism and detachable parts for easy maintenance.
TWSBI
Diamond 580 ALR (Sunset Yellow) - Fine
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$120.00
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TWSBI Diamond 580 ALR (Sunset Yellow) - Fine fountain pen, showcasing a clear body with metallic trim, featuring a piston-filling mechanism and detachable parts for easy maintenance.

Diamond 580 ALR (Sunset Yellow) - Fine

$120.00

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TWSBI ECO (Heat) - Fine fountain pens, featuring clear barrels with bright orange caps, one capped and one uncapped, highlighting the metal nib and piston mechanism.
TWSBI
ECO (Heat) - Fine
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$59.99
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TWSBI ECO (Heat) - Fine fountain pens, featuring clear barrels with bright orange caps, one capped and one uncapped, highlighting the metal nib and piston mechanism.

ECO (Heat) - Fine

$59.99

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TWSBI SWIPE (Pear Green) - Fine fountain pen set, featuring a pastel-green body, translucent grip, stainless-steel nib, with cartridge/converter filling system.
TWSBI
SWIPE (Pear Green) - Fine
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$43.50
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TWSBI SWIPE (Pear Green) - Fine fountain pen set, featuring a pastel-green body, translucent grip, stainless-steel nib, with cartridge/converter filling system.

SWIPE (Pear Green) - Fine

$43.50

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VAC Mini (Smoke) - Fine fountain pen with a clear barrel, visible piston-filling mechanism, black grip, steel nib, and cap set aside. Ideal for travel.
TWSBI
VAC Mini (Smoke) - Fine
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$110.00
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VAC Mini (Smoke) - Fine fountain pen with a clear barrel, visible piston-filling mechanism, black grip, steel nib, and cap set aside. Ideal for travel.
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VAC Mini (Smoke) - Fine

$110.00

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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) - Fine
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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) - Fine

$155.00

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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
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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) - Fine

$159.00

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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.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - 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) - Fine

$155.00

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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) - 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) - Fine

$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.
TWSBI
ECO-T (Eggplant) - 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) - Fine

$59.99

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TWSBI SWIPE (Blue Ice) Fine fountain pen, shown capped and with nib exposed, featuring a cartridge/converter system and stainless steel nib in a to-go box.
TWSBI
SWIPE (Blue Ice) - Fine
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$43.50
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TWSBI SWIPE (Blue Ice) Fine fountain pen, shown capped and with nib exposed, featuring a cartridge/converter system and stainless steel nib in a to-go box.
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SWIPE (Blue Ice) - Fine

$43.50

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TWSBI SWIPE (Salmon) - Fine fountain pen set, featuring two coral-orange pens with silver accents, one uncapped showing its nib and transparent section.
TWSBI
SWIPE (Salmon) - Fine
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$43.50
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TWSBI SWIPE (Salmon) - Fine fountain pen set, featuring two coral-orange pens with silver accents, one uncapped showing its nib and transparent section.
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SWIPE (Salmon) - Fine

$43.50

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TWSBI SWIPE (Prussian Blue) - Fine Fountain Pen
TWSBI
SWIPE (Prussian Blue) - Fine
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$43.50
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TWSBI SWIPE (Prussian Blue) - Fine Fountain Pen
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SWIPE (Prussian Blue) - Fine

$43.50

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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
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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.

Diamond Mini AL (Silver) - Fine

$109.00

TWSBI

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