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.

Filter + View Grid
List

Filter

Refine

view all

Availability

Brands

clear

Colour

Nib Size

Filling Mechanism

clear

Product Type

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
-
$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.
/ 1 / 2

Diamond 580AL (Silver) - Extra Fine

$120.00

TWSBI

More Details →
Diamond Mini (Clear) - Stub 1.1 fountain pens, one capped and one uncapped, showcasing internal piston-fill mechanisms and steel nibs, ideal for on-the-go use.
TWSBI
Diamond Mini (Clear) - Stub 1.1
-
$98.00
X
Diamond Mini (Clear) - Stub 1.1 fountain pens, one capped and one uncapped, showcasing internal piston-fill mechanisms and steel nibs, ideal for on-the-go use.
/ 1 / 2

Diamond Mini (Clear) - Stub 1.1

$98.00

TWSBI

More Details →
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
-
$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.
/ 1 / 2

Diamond Mini (Clear) - Extra Fine

$92.00

TWSBI

More Details →
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) - Fine
-
$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.
/ 1 / 2 / 3

ECO (Slate Blue / Onyx) - Fine

$95.00

TWSBI

More Details →
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) - Medium
-
$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.
/ 1 / 2 / 3

ECO (Slate Blue / Onyx) - Medium

$95.00

TWSBI

More Details →
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) - Broad
-
$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.
/ 1 / 2 / 3

ECO (Irish Green/ Onyx) - Broad

$95.00

TWSBI

More Details →
TWSBI Diamond Mini AL (Grape) - Broad Fountain Pen
TWSBI
Diamond Mini AL (Grape) - Broad
-
$109.00
X
TWSBI Diamond Mini AL (Grape) - Broad Fountain Pen

Diamond Mini AL (Grape) - Broad

$109.00

TWSBI

More Details →
TWSBI ECO-T (Saffron) - Extra Fine Fountain Pen
TWSBI
ECO-T (Saffron) - Extra Fine
-
$59.99
X
TWSBI ECO-T (Saffron) - Extra Fine Fountain Pen
/ 1 / 2

ECO-T (Saffron) - Extra Fine

$59.99

TWSBI

More Details →
TWSBI ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine Fountain Pen
TWSBI
ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine
-
$129.00
X
TWSBI ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine Fountain Pen
/ 1 / 2 / 3 / 4

ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine

$129.00

TWSBI

More Details →
TWSBI ECO (Glow Purple) - Fine Fountain Pen
TWSBI
ECO (Glow Purple) - Fine
-
$59.99
X
TWSBI ECO (Glow Purple) - Fine Fountain Pen
/ 1 / 2

ECO (Glow Purple) - Fine

$59.99

TWSBI

More Details →
TWSBI ECO (Glow Purple) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Glow Purple) - Stub 1.1mm
-
$59.99
X
TWSBI ECO (Glow Purple) - Stub 1.1mm Fountain Pen
/ 1 / 2

ECO (Glow Purple) - Stub 1.1mm

$59.99

TWSBI

More Details →
TWSBI ECO (Cerulean) - Broad Fountain Pen
TWSBI
ECO (Cerulean) - Broad
-
$59.99
X
TWSBI ECO (Cerulean) - Broad Fountain Pen

ECO (Cerulean) - Broad

$59.99

TWSBI

More Details →
TWSBI ECO (Cerulean) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Cerulean) - Stub 1.1mm
-
$59.99
X
TWSBI ECO (Cerulean) - Stub 1.1mm Fountain Pen

ECO (Cerulean) - Stub 1.1mm

$59.99

TWSBI

More Details →
TWSBI ECO (Glow) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Glow) - Stub 1.1mm
-
$59.99
X
TWSBI ECO (Glow) - Stub 1.1mm Fountain Pen

ECO (Glow) - Stub 1.1mm

$59.99

TWSBI

More Details →
TWSBI Diamond 580 ALR (Navy Blue) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Navy Blue) - Medium
-
$120.00
X
TWSBI Diamond 580 ALR (Navy Blue) - Medium Fountain Pen

Diamond 580 ALR (Navy Blue) - Medium

$120.00

TWSBI

More Details →
TWSBI Spring Loaded Converter Accessories
TWSBI
Spring Loaded Converter
-
$7.00
X
TWSBI Spring Loaded Converter Accessories

Spring Loaded Converter

$7.00

TWSBI

More Details →
TWSBI SWIPE (Smoke) - Extra Fine Fountain Pen
TWSBI
SWIPE (Smoke) - Extra Fine
-
$43.50
X
TWSBI SWIPE (Smoke) - Extra Fine Fountain Pen
/ 1 / 2 / 3

SWIPE (Smoke) - Extra Fine

$43.50

TWSBI

More Details →
TWSBI SWIPE (Smoke) - Stub 1.1mm Fountain Pen
TWSBI
SWIPE (Smoke) - Stub 1.1mm
-
$43.50
X
TWSBI SWIPE (Smoke) - Stub 1.1mm Fountain Pen
/ 1 / 2 / 3

SWIPE (Smoke) - Stub 1.1mm

$43.50

TWSBI

More Details →
TWSBI Diamond Mini Rose Gold II (White) - Broad Fountain Pen
TWSBI
Diamond Mini Rose Gold II (White) - Broad
-
$135.00
X
TWSBI Diamond Mini Rose Gold II (White) - Broad Fountain Pen

Diamond Mini Rose Gold II (White) - Broad

$135.00

TWSBI

More Details →
TWSBI Diamond 580 ALR (Punch Pink) - Fine Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Fine
-
$120.00
X
TWSBI Diamond 580 ALR (Punch Pink) - Fine Fountain Pen
/ 1 / 2 / 3

Diamond 580 ALR (Punch Pink) - Fine

$120.00

TWSBI

More Details →
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
-
$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.
/ 1 / 2

ECO (Transparent Blue) - Extra Fine

$59.99

TWSBI

More Details →
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
-
$92.00
X
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.
/ 1 / 2

Diamond Mini (Clear) - Medium

$92.00

TWSBI

More Details →
new ECO (Cosmos Blue / Onyx) - Extra Fine
TWSBI
ECO (Cosmos Blue / Onyx) - Extra Fine
-
$105.00
X
ECO (Cosmos Blue / Onyx) - Extra Fine
/ 1 / 2 / 3

ECO (Cosmos Blue / Onyx) - Extra Fine

$105.00

TWSBI

More Details →
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) - Broad
-
$155.00
X
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.
/ 1 / 2 / 3

Diamond 580 ALR (Affogato with Onyx) - Broad

$155.00

TWSBI

More Details →
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
-
$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.
/ 1 / 2 / 3

ECO (Slate Blue / Onyx) - Extra Fine

$95.00

TWSBI

More Details →
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) - Broad
-
$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.
/ 1 / 2 / 3

ECO (Slate Blue / Onyx) - Broad

$95.00

TWSBI

More Details →
new ECO (Cosmos Blue / Onyx) - Stub 1.1 Sold Out
TWSBI
ECO (Cosmos Blue / Onyx) - Stub 1.1
-
$105.00
X
ECO (Cosmos Blue / Onyx) - Stub 1.1
/ 1 / 2 / 3
Sold Out

ECO (Cosmos Blue / Onyx) - Stub 1.1

$105.00

TWSBI

This product is sold out

More Details →
new ECO (Plum / Onyx) - Fine Sold Out
TWSBI
ECO (Plum / Onyx) - Fine
-
$105.00
X
ECO (Plum / Onyx) - Fine
/ 1 / 2 / 3
Sold Out

ECO (Plum / Onyx) - Fine

$105.00

TWSBI

This product is sold out

More Details →
new ECO (Carrara / Onyx) - Extra Fine Sold Out
TWSBI
ECO (Carrara / Onyx) - Extra Fine
-
$105.00
X
ECO (Carrara / Onyx) - Extra Fine
/ 1 / 2 / 3 / 4
Sold Out

ECO (Carrara / Onyx) - Extra Fine

$105.00

TWSBI

This product is sold out

More Details →
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. Sold Out
TWSBI
Diamond 580 ALR (Affogato with Onyx) - Extra Fine
-
$155.00
X
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.
/ 1 / 2 / 3
Sold Out

Diamond 580 ALR (Affogato with Onyx) - Extra Fine

$155.00

TWSBI

This product is sold out

More Details →
new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Broad
-
$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
/ 1 / 2 / 3 / 4 / 5
Sold Out

ECO (Serpentine / Bronze) - Broad

$105.00

TWSBI

This product is sold out

More Details →
new TWSBI ECO fountain pen in Matcha colourway with transparent body and green accents Sold Out
TWSBI
ECO (Matcha) - Extra Fine
-
$59.99
X
TWSBI ECO fountain pen in Matcha colourway with transparent body and green accents
/ 1 / 2 / 3 / 4
Sold Out

ECO (Matcha) - Extra Fine

$59.99

TWSBI

This product is sold out

More Details →
TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib. Sold Out
TWSBI
ECO (Amazonite) - Stub 1.1
-
$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.
/ 1 / 2 / 3
Sold Out

ECO (Amazonite) - Stub 1.1

$68.00

TWSBI

This product is sold out

More Details →
TWSBI ECO (Creme / Rose Gold) - Stub 1.1 Fountain Pen Sold Out
TWSBI
ECO (Creme / Rose Gold) - Stub 1.1
-
$95.00
X
TWSBI ECO (Creme / Rose Gold) - Stub 1.1 Fountain Pen
/ 1 / 2 / 3 / 4
Sold Out

ECO (Creme / Rose Gold) - Stub 1.1

$95.00

TWSBI

This product is sold out

More Details →
TWSBI ECO (Cerulean) - Extra Fine Fountain Pen Sold Out
TWSBI
ECO (Cerulean) - Extra Fine
-
$59.99
X
TWSBI ECO (Cerulean) - Extra Fine Fountain Pen
Sold Out

ECO (Cerulean) - Extra Fine

$59.99

TWSBI

This product is sold out

More Details →
Diamond Mini (Clear) - Fine fountain pen, featuring a transparent body with silver trim. One pen capped, the other uncapped, showcasing the steel nib and piston mechanism. Sold Out
TWSBI
Diamond Mini (Clear) - Fine
-
$92.00
X
Diamond Mini (Clear) - Fine fountain pen, featuring a transparent body with silver trim. One pen capped, the other uncapped, showcasing the steel nib and piston mechanism.
/ 1 / 2
Sold Out

Diamond Mini (Clear) - Fine

$92.00

TWSBI

This product is sold out

More Details →
new ECO (Cosmos Blue / Onyx) - Broad Sold Out
TWSBI
ECO (Cosmos Blue / Onyx) - Broad
-
$105.00
X
ECO (Cosmos Blue / Onyx) - Broad
/ 1 / 2 / 3
Sold Out

ECO (Cosmos Blue / Onyx) - Broad

$105.00

TWSBI

This product is sold out

More Details →
new ECO (Plum / Onyx) - Extra Fine Sold Out
TWSBI
ECO (Plum / Onyx) - Extra Fine
-
$105.00
X
ECO (Plum / Onyx) - Extra Fine
/ 1 / 2 / 3
Sold Out

ECO (Plum / Onyx) - Extra Fine

$105.00

TWSBI

This product is sold out

More Details →
new ECO (Plum / Onyx) - Stub 1.1 Sold Out
TWSBI
ECO (Plum / Onyx) - Stub 1.1
-
$105.00
X
ECO (Plum / Onyx) - Stub 1.1
/ 1 / 2 / 3
Sold Out

ECO (Plum / Onyx) - Stub 1.1

$105.00

TWSBI

This product is sold out

More Details →
new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Stub 1.1
-
$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
/ 1 / 2 / 3 / 4 / 5
Sold Out

ECO (Serpentine / Bronze) - Stub 1.1

$105.00

TWSBI

This product is sold out

More Details →
View All