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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ECO (Clear) - Extra Fine fountain pen with a transparent barrel, visible piston-filling mechanism, stainless-steel nib, and metal clip, showcasing its build and functionality.
TWSBI
ECO (Clear) - Extra Fine
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$59.99
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ECO (Clear) - Extra Fine fountain pen with a transparent barrel, visible piston-filling mechanism, stainless-steel nib, and metal clip, showcasing its build and functionality.

ECO (Clear) - Extra Fine

$59.99

TWSBI

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TWSBI ECO (White/ Rose Gold) - Extra Fine Fountain Pen
TWSBI
ECO (White/ Rose Gold) - Extra Fine
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$95.00
X
TWSBI ECO (White/ Rose Gold) - Extra Fine Fountain Pen

ECO (White/ Rose Gold) - Extra Fine

$95.00

TWSBI

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TWSBI ECO (Black) - Extra Fine fountain pen, clear barrel revealing ink reservoir, with black cap and end, shown capped and uncapped, featuring piston fill mechanism.
TWSBI
ECO (Black) - Extra Fine
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$59.99
X
TWSBI ECO (Black) - Extra Fine fountain pen, clear barrel revealing ink reservoir, with black cap and end, shown capped and uncapped, featuring piston fill mechanism.

ECO (Black) - Extra Fine

$59.99

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ECO (Creme / Rose Gold) - Extra Fine
TWSBI
ECO (Creme / Rose Gold) - Extra Fine
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$95.00
X
ECO (Creme / Rose Gold) - Extra Fine
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ECO (Creme / Rose Gold) - Extra Fine

$95.00

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VAC 700R (IRIS) - Extra Fine - The Desk Bandit
TWSBI
VAC 700R (IRIS) - Extra Fine
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$150.00
X
VAC 700R (IRIS) - Extra Fine - The Desk Bandit

VAC 700R (IRIS) - Extra Fine

$150.00

TWSBI

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TWSBI GO (Smoke) - Extra Fine fountain pen, featuring a transparent body with a visible piston-fill ink reservoir; one pen capped, the other uncapped showing the nib.
TWSBI
GO (Smoke) - Extra Fine
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$35.00
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TWSBI GO (Smoke) - Extra Fine fountain pen, featuring a transparent body with a visible piston-fill ink reservoir; one pen capped, the other uncapped showing the nib.
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GO (Smoke) - Extra Fine

$35.00

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TWSBI ECO (White) - Extra Fine, clear-barrel fountain pen with white trim, silver clip. Features piston-filling mechanism, shown capped and uncapped.
TWSBI
ECO (White) - Extra Fine
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$59.99
X
TWSBI ECO (White) - Extra Fine, clear-barrel fountain pen with white trim, silver clip. Features piston-filling mechanism, shown capped and uncapped.

ECO (White) - Extra Fine

$59.99

TWSBI

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

ECO (Transparent Purple) - Extra Fine

$59.99

TWSBI

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Diamond 580 Nib Set - Extra Fine: Close-up of steel nib with black feed and transparent converter, compatible with TWSBI Diamond 580 fountain pens.
TWSBI
Diamond 580 Nib Set - Extra Fine
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$34.50
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Diamond 580 Nib Set - Extra Fine: Close-up of steel nib with black feed and transparent converter, compatible with TWSBI Diamond 580 fountain pens.

Diamond 580 Nib Set - Extra Fine

$34.50

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Diamond 580 ALR (Nickel Gray) - Extra Fine fountain pen featuring a transparent body, visible piston-filling mechanism, and matte aluminum detailing for elegant writing.
TWSBI
Diamond 580 ALR (Nickel Gray) - Extra Fine
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$120.00
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Diamond 580 ALR (Nickel Gray) - Extra Fine fountain pen featuring a transparent body, visible piston-filling mechanism, and matte aluminum detailing for elegant writing.
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Diamond 580 ALR (Nickel Gray) - Extra Fine

$120.00

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TWSBI ECO fountain pen in Indigo Blue/Bronze, Extra Fine nib, showcases a clear barrel with piston-filling mechanism. One pen is capped, highlighting its sleek design.
TWSBI
ECO (Indigo Blue / Bronze) - Extra Fine
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$95.00
X
TWSBI ECO fountain pen in Indigo Blue/Bronze, Extra Fine nib, showcases a clear barrel with piston-filling mechanism. One pen is capped, highlighting its sleek design.

ECO (Indigo Blue / Bronze) - Extra Fine

$95.00

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Piston Converter
TWSBI
Piston Converter
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$7.00
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Piston Converter

Piston Converter

$7.00

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ECO (Smoke / Rose Gold) - Extra Fine - The Desk Bandit
TWSBI
ECO (Smoke / Rose Gold) - Extra Fine
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$95.00
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ECO (Smoke / Rose Gold) - Extra Fine - The Desk Bandit
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ECO (Smoke / Rose Gold) - Extra Fine

$95.00

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TWSBI ECO-T (Mint Blue) - Extra Fine Fountain Pen
TWSBI
ECO-T (Mint Blue) - Extra Fine
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$59.99
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TWSBI ECO-T (Mint Blue) - Extra Fine Fountain Pen

ECO-T (Mint Blue) - Extra Fine

$59.99

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TWSBI GO (Sapphire) - Extra Fine pen with clear body, translucent cap, blue barrel, steel nib, and visible piston filling mechanism, shown capped and uncapped.
TWSBI
GO (Sapphire) - Extra Fine
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$35.00
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TWSBI GO (Sapphire) - Extra Fine pen with clear body, translucent cap, blue barrel, steel nib, and visible piston filling mechanism, shown capped and uncapped.

GO (Sapphire) - Extra Fine

$35.00

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VAC 700R (Clear) - Extra Fine fountain pen with a transparent body, visible metal nib, and branded TWSBI cap beside it, showcasing its vacuum ink reservoir.
TWSBI
VAC 700R (Clear) - Extra Fine
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$129.00
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VAC 700R (Clear) - Extra Fine fountain pen with a transparent body, visible metal nib, and branded TWSBI cap beside it, showcasing its vacuum ink reservoir.
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VAC 700R (Clear) - Extra Fine

$129.00

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Diamond Mini Rose Gold II (White) - Extra Fine - The Desk Bandit
TWSBI
Diamond Mini Rose Gold II (White) - Extra Fine
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$135.00
X
Diamond Mini Rose Gold II (White) - Extra Fine - The Desk Bandit

Diamond Mini Rose Gold II (White) - Extra Fine

$135.00

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

Diamond 580 ALR (Prussian Blue) - Extra Fine

$120.00

TWSBI

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Diamond 580 (Smoke/Rose Gold) - Extra Fine fountain pens, featuring clear barrels with piston-filling. One capped, one uncapped; rose-gold trim and steel nib visible.
TWSBI
Diamond 580 (Smoke/Rose Gold) - Extra Fine
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$155.00
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Diamond 580 (Smoke/Rose Gold) - Extra Fine fountain pens, featuring clear barrels with piston-filling. One capped, one uncapped; rose-gold trim and steel nib visible.

Diamond 580 (Smoke/Rose Gold) - Extra Fine

$155.00

TWSBI

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ECO-T (Clear) - Extra Fine fountain pen with transparent barrel, visible nib, piston ink-filling mechanism, and clear cap with metal clip. Designed for improved grip technique.
TWSBI
ECO-T (Clear) - Extra Fine
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$59.99
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ECO-T (Clear) - Extra Fine fountain pen with transparent barrel, visible nib, piston ink-filling mechanism, and clear cap with metal clip. Designed for improved grip technique.
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ECO-T (Clear) - Extra Fine

$59.99

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VAC Mini (Clear) - Extra Fine fountain pen with transparent barrel, visible piston-filling mechanism, stainless steel nib, and cap off to the side.
TWSBI
VAC Mini (Clear) - Extra Fine
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$110.00
X
VAC Mini (Clear) - Extra Fine fountain pen with transparent barrel, visible piston-filling mechanism, stainless steel nib, and cap off to the side.

VAC Mini (Clear) - Extra Fine

$110.00

TWSBI

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SWIPE (Prussian Blue) - Extra Fine
TWSBI
SWIPE (Prussian Blue) - Extra Fine
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$43.50
X
SWIPE (Prussian Blue) - Extra Fine
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SWIPE (Prussian Blue) - Extra Fine

$43.50

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Diamond Mini Nib Set - Extra Fine, showcasing a steel nib and adjoining grip section, compatible exclusively with TWSBI's Diamond Mini fountain pen range.
TWSBI
Diamond Mini Nib Set - Extra Fine
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$33.50
X
Diamond Mini Nib Set - Extra Fine, showcasing a steel nib and adjoining grip section, compatible exclusively with TWSBI's Diamond Mini fountain pen range.

Diamond Mini Nib Set - Extra Fine

$33.50

TWSBI

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Diamond 580AL (Silver) - Extra Fine fountain pen with clear body, visible piston-filling mechanism, metal nib, and cap featuring a metal clip and red emblem.
TWSBI
Diamond 580AL (Silver) - Extra Fine
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$120.00
X
Diamond 580AL (Silver) - Extra Fine fountain pen with clear body, visible piston-filling mechanism, metal nib, and cap featuring a metal clip and red emblem.
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Diamond 580AL (Silver) - Extra Fine

$120.00

TWSBI

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new TWSBI ECO (Espresso/Bronze) - Extra Fine fountain pens showing clear barrels, one uncapped to display the nib and piston-filling mechanism, with brown caps and gold trim.
TWSBI
ECO (Espresso / Bronze) - Extra Fine
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$95.00
X
TWSBI ECO (Espresso/Bronze) - Extra Fine fountain pens showing clear barrels, one uncapped to display the nib and piston-filling mechanism, with brown caps and gold trim.
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ECO (Espresso / Bronze) - Extra Fine

$95.00

TWSBI

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ECO (Irish Green/Onyx) - Extra Fine fountain pen with a clear barrel, green trim, capped and uncapped, revealing the black steel nib and piston fill mechanism.
TWSBI
ECO (Irish Green/ Onyx) - Extra Fine
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$95.00
X
ECO (Irish Green/Onyx) - Extra Fine fountain pen with a clear barrel, green trim, capped and uncapped, revealing the black steel nib and piston fill mechanism.
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ECO (Irish Green/ Onyx) - Extra Fine

$95.00

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Spring Loaded Converter
TWSBI
Spring Loaded Converter
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$7.00
X
Spring Loaded Converter

Spring Loaded Converter

$7.00

TWSBI

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SWIPE (Smoke) - Extra Fine
TWSBI
SWIPE (Smoke) - Extra Fine
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$43.50
X
SWIPE (Smoke) - Extra Fine
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SWIPE (Smoke) - Extra Fine

$43.50

TWSBI

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TWSBI ECO (Transparent Blue) - Extra Fine fountain pen with a clear barrel, visible ink reservoir, and blue screw-on cap beside it, showcasing a piston-filling mechanism.
TWSBI
ECO (Transparent Blue) - Extra Fine
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$59.99
X
TWSBI ECO (Transparent Blue) - Extra Fine fountain pen with a clear barrel, visible ink reservoir, and blue screw-on cap beside it, showcasing a piston-filling mechanism.
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ECO (Transparent Blue) - Extra Fine

$59.99

TWSBI

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Diamond Mini (Clear) - Extra Fine fountain pen, with a transparent body showing the piston-filling mechanism. One pen is capped, the other reveals the metal nib.
TWSBI
Diamond Mini (Clear) - Extra Fine
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$92.00
X
Diamond Mini (Clear) - Extra Fine fountain pen, with a transparent body showing the piston-filling mechanism. One pen is capped, the other reveals the metal nib.
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Diamond Mini (Clear) - Extra Fine

$92.00

TWSBI

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Extra Fine
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$95.00
X
Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Extra Fine

$95.00

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ECO (Caffe / Bronze) - Extra Fine
TWSBI
ECO (Caffe / Bronze) - Extra Fine
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$95.00
X
ECO (Caffe / Bronze) - Extra Fine
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ECO (Caffe / Bronze) - Extra Fine

$95.00

TWSBI

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Diamond 580 ALR (Black) - Extra Fine
TWSBI
Diamond 580 ALR (Black) - Extra Fine
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$120.00
X
Diamond 580 ALR (Black) - Extra Fine
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Diamond 580 ALR (Black) - Extra Fine

$120.00

TWSBI

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

ECO (Cerulean) - Extra Fine

$59.99

TWSBI

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Diamond 580 (Iris) - Extra Fine
TWSBI
Diamond 580 (Iris) - Extra Fine
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$155.00
X
Diamond 580 (Iris) - Extra Fine
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Diamond 580 (Iris) - Extra Fine

$155.00

TWSBI

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

Diamond 580 ALR (Navy Blue) - Extra Fine

$120.00

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VAC Mini Nib Set - Extra Fine, showcasing a TWSBI nib unit with a transparent grip, designed for VAC Mini fountain pens, enhancing writing versatility.
TWSBI
VAC Mini Nib Set - Extra Fine
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$38.50
X
VAC Mini Nib Set - Extra Fine, showcasing a TWSBI nib unit with a transparent grip, designed for VAC Mini fountain pens, enhancing writing versatility.

VAC Mini Nib Set - Extra Fine

$38.50

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VAC Mini (Smoke) - Extra Fine fountain pen, uncapped, showcasing a clear barrel, black grip, silver nib, and transparent cap beside it, ideal for travel.
TWSBI
VAC Mini (Smoke) - Extra Fine
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$110.00
X
VAC Mini (Smoke) - Extra Fine fountain pen, uncapped, showcasing a clear barrel, black grip, silver nib, and transparent cap beside it, ideal for travel.
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VAC Mini (Smoke) - Extra Fine

$110.00

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
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.
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ECO (Sky Blue) - Extra Fine

$59.99

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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
X
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

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