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

$68.00

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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.
TWSBI
VAC 700R (Kyanite) - 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) - Fine

$150.00

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TWSBI Diamond Mini AL (Grape) - Fine fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.
TWSBI
Diamond Mini AL (Grape) - Fine
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$109.00
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TWSBI Diamond Mini AL (Grape) - Fine fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.

Diamond Mini AL (Grape) - Fine

$109.00

TWSBI

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TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, fine steel nib, and orange accents.
TWSBI
ECO-T (Saffron) - Fine
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$59.99
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TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, fine steel nib, and orange accents.
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ECO-T (Saffron) - Fine

$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.
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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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
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

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TWSBI ECO (Transparent Yellow) fountain pen, fine nib, shown capped and uncapped, highlighting its piston fill mechanism and steel nib. Ideal for beginners and enthusiasts. Sold Out
TWSBI
ECO (Transparent Yellow) - Fine
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$59.99
X
TWSBI ECO (Transparent Yellow) fountain pen, fine nib, shown capped and uncapped, highlighting its piston fill mechanism and steel nib. Ideal for beginners and enthusiasts.
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Sold Out

ECO (Transparent Yellow) - Fine

$59.99

TWSBI

This product is sold out

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