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 (Smoke / Rose Gold) - Medium Fountain Pen
TWSBI
ECO (Smoke / Rose Gold) - Medium
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$95.00
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TWSBI ECO (Smoke / Rose Gold) - Medium Fountain Pen
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ECO (Smoke / Rose Gold) - Medium

$95.00

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TWSBI ECO (Smoke/ Rose Gold) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Smoke/ Rose Gold) - Stub 1.1mm
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$95.00
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TWSBI ECO (Smoke/ Rose Gold) - Stub 1.1mm Fountain Pen
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ECO (Smoke/ Rose Gold) - Stub 1.1mm

$95.00

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TWSBI VAC 700R (IRIS) - Broad Fountain Pen
TWSBI
VAC 700R (IRIS) - Broad
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$150.00
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TWSBI VAC 700R (IRIS) - Broad Fountain Pen

VAC 700R (IRIS) - Broad

$150.00

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Two Diamond 580 (Smoke/Rose Gold) fountain pens, one capped and one uncapped, showcasing the clear barrel, rose-gold trim, and visible piston mechanism.
TWSBI
Diamond 580 (Smoke/Rose Gold) - Stub 1.1
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$165.00
X
Two Diamond 580 (Smoke/Rose Gold) fountain pens, one capped and one uncapped, showcasing the clear barrel, rose-gold trim, and visible piston mechanism.

Diamond 580 (Smoke/Rose Gold) - Stub 1.1

$165.00

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

ECO (Transparent Purple) - Extra Fine

$59.99

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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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Two TWSBI GO (Sapphire) - Fine fountain pens, one capped and one uncapped, displaying a stainless-steel nib and piston ink reservoir.
TWSBI
GO (Sapphire) - Fine
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$35.00
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Two TWSBI GO (Sapphire) - Fine fountain pens, one capped and one uncapped, displaying a stainless-steel nib and piston ink reservoir.

GO (Sapphire) - Fine

$35.00

TWSBI

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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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Diamond 580 Nib Set - Broad, showcasing a TWSBI steel nib and clear ink converter, designed for the TWSBI Diamond 580 fountain pen series.
TWSBI
Diamond 580 Nib Set - Broad
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$34.50
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Diamond 580 Nib Set - Broad, showcasing a TWSBI steel nib and clear ink converter, designed for the TWSBI Diamond 580 fountain pen series.

Diamond 580 Nib Set - Broad

$34.50

TWSBI

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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) - Medium
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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) - Medium

$68.00

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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) - 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) - Fine

$95.00

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TWSBI ECO fountain pen in Caffe/Bronze, featuring a fine nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
TWSBI
ECO (Caffe / Bronze) - Fine
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$95.00
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TWSBI ECO fountain pen in Caffe/Bronze, featuring a fine nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
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ECO (Caffe / Bronze) - Fine

$95.00

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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
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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.

ECO (Indigo Blue / Bronze) - Extra Fine

$95.00

TWSBI

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TWSBI ECO (Persian Green) - Fine Fountain Pen
TWSBI
ECO (Persian Green) - Fine
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$59.99
X
TWSBI ECO (Persian Green) - Fine Fountain Pen

ECO (Persian Green) - Fine

$59.99

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TWSBI ECO (Persian Green) - Medium Fountain Pen
TWSBI
ECO (Persian Green) - Medium
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$59.99
X
TWSBI ECO (Persian Green) - Medium Fountain Pen

ECO (Persian Green) - Medium

$59.99

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TWSBI ECO-T (Saffron) - Medium Fountain Pen
TWSBI
ECO-T (Saffron) - Medium
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$59.99
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TWSBI ECO-T (Saffron) - Medium Fountain Pen
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ECO-T (Saffron) - Medium

$59.99

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TWSBI ECO (Cerulean) - Medium Fountain Pen
TWSBI
ECO (Cerulean) - Medium
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$59.99
X
TWSBI ECO (Cerulean) - Medium Fountain Pen

ECO (Cerulean) - Medium

$59.99

TWSBI

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TWSBI Piston Converter Accessories
TWSBI
Piston Converter
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$7.00
X
TWSBI Piston Converter Accessories

Piston Converter

$7.00

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

$43.50

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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 ECO-T (Mint Blue) - Broad Fountain Pen
TWSBI
ECO-T (Mint Blue) - Broad
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$59.99
X
TWSBI ECO-T (Mint Blue) - Broad Fountain Pen

ECO-T (Mint Blue) - Broad

$59.99

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TWSBI Diamond 50 Polished Aluminium Ink Bottle (50ml) Accessories
TWSBI
Diamond 50 Polished Aluminium Ink Bottle (50ml)
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$57.00
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TWSBI Diamond 50 Polished Aluminium Ink Bottle (50ml) Accessories
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Diamond 50 Polished Aluminium Ink Bottle (50ml)

$57.00

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GO (Clear) - Extra Fine fountain pen with visible nib section, transparent ink converter, and spring piston mechanism, shown with snap-on cap beside it.
TWSBI
GO (Clear) - Extra Fine
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$35.00
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GO (Clear) - Extra Fine fountain pen with visible nib section, transparent ink converter, and spring piston mechanism, shown with snap-on cap beside it.
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GO (Clear) - Extra Fine

$35.00

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VAC20A Ink Bottle - Green: Clear storage jar with a two-piece grinder lid, designed for TWSBI pen refills, featuring green top and black middle section.
TWSBI
VAC20A Ink Bottle - Green
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$29.00
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VAC20A Ink Bottle - Green: Clear storage jar with a two-piece grinder lid, designed for TWSBI pen refills, featuring green top and black middle section.
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VAC20A Ink Bottle - Green

$29.00

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
X
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

TWSBI

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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
X
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
X
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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TWSBI VAC 700R (Clear) - Fine fountain pen, transparent barrel with piston mechanism, silver nib, clear cap with red TWSBI logo, uncapped.
TWSBI
VAC 700R (Clear) - Fine
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$129.00
X
TWSBI VAC 700R (Clear) - Fine fountain pen, transparent barrel with piston mechanism, silver nib, clear cap with red TWSBI logo, uncapped.
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VAC 700R (Clear) - Fine

$129.00

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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) - Stub 1.1
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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.
/ 1 / 2 / 3

ECO (Irish Green/ Onyx) - Stub 1.1

$95.00

TWSBI

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TWSBI ECO fountain pen in Indigo Blue with bronze trim, featuring a clear barrel and visible piston mechanism. Includes one capped and one uncapped pen, fine nib.
TWSBI
ECO (Indigo Blue / Bronze) - Stub 1.1
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$95.00
X
TWSBI ECO fountain pen in Indigo Blue with bronze trim, featuring a clear barrel and visible piston mechanism. Includes one capped and one uncapped pen, fine nib.

ECO (Indigo Blue / Bronze) - Stub 1.1

$95.00

TWSBI

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TWSBI ECO-T (Saffron) - Stub 1.1mm Fountain Pen
TWSBI
ECO-T (Saffron) - Stub 1.1mm
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$59.99
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TWSBI ECO-T (Saffron) - Stub 1.1mm Fountain Pen
/ 1 / 2

ECO-T (Saffron) - Stub 1.1mm

$59.99

TWSBI

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TWSBI Diamond 580 (Iris) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 (Iris) - Stub 1.1
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$165.00
X
TWSBI Diamond 580 (Iris) - Stub 1.1 Fountain Pen
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Diamond 580 (Iris) - Stub 1.1

$165.00

TWSBI

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

Diamond 580 ALR (Navy Blue) - Fine

$120.00

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TWSBI Diamond 580 (Smoke/Rose Gold) - Broad Fountain Pen Sold Out
TWSBI
Diamond 580 (Smoke/Rose Gold) - Broad
-
$155.00
X
TWSBI Diamond 580 (Smoke/Rose Gold) - Broad Fountain Pen
Sold Out

Diamond 580 (Smoke/Rose Gold) - Broad

$155.00

TWSBI

This product is sold out

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Fine
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$105.00
X
TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
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Sold Out

ECO (Serpentine / Bronze) - Fine

$105.00

TWSBI

This product is sold out

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface Sold Out
TWSBI
ECO (Serpentine / Bronze) - Medium
-
$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) - Medium

$105.00

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. Sold Out
TWSBI
ECO (Espresso / Bronze) - Fine
-
$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.
/ 1 / 2 / 3
Sold Out

ECO (Espresso / Bronze) - Fine

$95.00

TWSBI

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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. Sold Out
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.
Sold Out

VAC Mini (Clear) - Extra Fine

$110.00

TWSBI

This product is sold out

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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. Sold Out
TWSBI
ECO (Espresso / Bronze) - Medium
-
$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.
/ 1 / 2 / 3
Sold Out

ECO (Espresso / Bronze) - Medium

$95.00

TWSBI

This product is sold out

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TWSBI ECO (Cerulean) - Fine Fountain Pen Sold Out
TWSBI
ECO (Cerulean) - Fine
-
$59.99
X
TWSBI ECO (Cerulean) - Fine Fountain Pen
Sold Out

ECO (Cerulean) - Fine

$59.99

TWSBI

This product is sold out

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