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 Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.
TWSBI
Diamond 580 ALR (Prussian Blue) - Broad
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$120.00
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TWSBI Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.

Diamond 580 ALR (Prussian Blue) - Broad

$120.00

TWSBI

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Diamond 580 ALR (Prussian Blue) - Stub 1.1 fountain pen with transparent barrel and cap, blue metal trim, steel nib, and piston-filling mechanism.
TWSBI
Diamond 580 ALR (Prussian Blue) - Stub 1.1
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$120.00
X
Diamond 580 ALR (Prussian Blue) - Stub 1.1 fountain pen with transparent barrel and cap, blue metal trim, steel nib, and piston-filling mechanism.

Diamond 580 ALR (Prussian Blue) - Stub 1.1

$120.00

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TWSBI TWSBI 1791 - Pink - 18ml Bottled Ink
TWSBI
TWSBI 1791 - Pink - 18ml
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$12.00
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TWSBI TWSBI 1791 - Pink - 18ml Bottled Ink
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TWSBI 1791 - Pink - 18ml

$12.00

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ECO-T (Clear) - Stub 1.1mm fountain pen showcasing a transparent barrel with visible piston filling mechanism and pronounced grip for enhanced writing technique.
TWSBI
ECO-T (Clear) - Stub 1.1mm
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$59.99
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ECO-T (Clear) - Stub 1.1mm fountain pen showcasing a transparent barrel with visible piston filling mechanism and pronounced grip for enhanced writing technique.
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ECO-T (Clear) - Stub 1.1mm

$59.99

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TWSBI ECO (Transparent Blue) - Broad fountain pen with clear barrel, translucent blue cap and tail, featuring a piston-fill mechanism for visible ink movement.
TWSBI
ECO (Transparent Blue) - Broad
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$59.99
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TWSBI ECO (Transparent Blue) - Broad fountain pen with clear barrel, translucent blue cap and tail, featuring a piston-fill mechanism for visible ink movement.
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ECO (Transparent Blue) - Broad

$59.99

TWSBI

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Transparent VAC Mini Nib Set - Medium, featuring a TWSBI broad-tip nib with clear plastic grip and screw collar, designed for TWSBI VAC Mini fountain pens.
TWSBI
VAC Mini Nib Set - Medium
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$38.50
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Transparent VAC Mini Nib Set - Medium, featuring a TWSBI broad-tip nib with clear plastic grip and screw collar, designed for TWSBI VAC Mini fountain pens.

VAC Mini Nib Set - Medium

$38.50

TWSBI

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Diamond 580 ALR (Nickel Gray) - Broad fountain pen, showing clear body with visible piston mechanism, metal nib, and matte aluminum grip with cap on and off.
TWSBI
Diamond 580 ALR (Nickel Gray) - Broad
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$120.00
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Diamond 580 ALR (Nickel Gray) - Broad fountain pen, showing clear body with visible piston mechanism, metal nib, and matte aluminum grip with cap on and off.
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Diamond 580 ALR (Nickel Gray) - Broad

$120.00

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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
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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.

Diamond Mini Nib Set - Extra Fine

$33.50

TWSBI

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

$120.00

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

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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
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$98.00
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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.
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Diamond Mini (Clear) - Stub 1.1

$98.00

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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
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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.
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Diamond Mini (Clear) - Extra Fine

$92.00

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TWSBI VAC 700R (Clear) - Stub 1.1 fountain pen with clear barrel, uncapped, showing stainless-steel nib, piston filler, and red finial cap with brand name.
TWSBI
VAC 700R (Clear) - Stub 1.1
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$138.00
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TWSBI VAC 700R (Clear) - Stub 1.1 fountain pen with clear barrel, uncapped, showing stainless-steel nib, piston filler, and red finial cap with brand name.
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VAC 700R (Clear) - Stub 1.1

$138.00

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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
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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.
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VAC Mini (Smoke) - Extra Fine

$110.00

TWSBI

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TWSBI VAC Mini (Clear) - Stub 1.1 fountain pen with transparent barrel and cap, showcasing a visible ink reservoir and silver-tone nib, ideal for travel.
TWSBI
VAC Mini (Clear) - Stub 1.1
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$110.00
X
TWSBI VAC Mini (Clear) - Stub 1.1 fountain pen with transparent barrel and cap, showcasing a visible ink reservoir and silver-tone nib, ideal for travel.

VAC Mini (Clear) - Stub 1.1

$110.00

TWSBI

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new ECO (Cosmos Blue / Onyx) - Stub 1.1
TWSBI
ECO (Cosmos Blue / Onyx) - Stub 1.1
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$105.00
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ECO (Cosmos Blue / Onyx) - Stub 1.1
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ECO (Cosmos Blue / Onyx) - Stub 1.1

$105.00

TWSBI

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

$105.00

TWSBI

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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) - Extra Fine
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$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.
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Diamond 580 ALR (Affogato with Onyx) - Extra Fine

$155.00

TWSBI

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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

TWSBI

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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
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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) - Fine

$95.00

TWSBI

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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
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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) - Medium

$95.00

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TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
TWSBI
ECO (Irish Green/ Onyx) - Broad
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$95.00
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TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
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ECO (Irish Green/ Onyx) - Broad

$95.00

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TWSBI Glass Ball Ink Holder Accessories
TWSBI
Glass Ball Ink Holder
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$155.00
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TWSBI Glass Ball Ink Holder Accessories
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Glass Ball Ink Holder

$155.00

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

$95.00

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TWSBI Diamond Mini AL (Grape) - Fine Fountain Pen
TWSBI
Diamond Mini AL (Grape) - Fine
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$109.00
X
TWSBI Diamond Mini AL (Grape) - Fine Fountain Pen

Diamond Mini AL (Grape) - Fine

$109.00

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

Diamond Mini AL (Grape) - Broad

$109.00

TWSBI

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

ECO (Persian Green) - Broad

$59.99

TWSBI

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TWSBI ECO-T (Saffron) - Extra Fine Fountain Pen
TWSBI
ECO-T (Saffron) - Extra Fine
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$59.99
X
TWSBI ECO-T (Saffron) - Extra Fine Fountain Pen
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ECO-T (Saffron) - Extra Fine

$59.99

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

$59.99

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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
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$129.00
X
TWSBI ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine Fountain Pen
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ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Fine

$129.00

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

$59.99

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TWSBI ECO (Glow Purple) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Glow Purple) - Stub 1.1mm
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$59.99
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TWSBI ECO (Glow Purple) - Stub 1.1mm Fountain Pen
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ECO (Glow Purple) - Stub 1.1mm

$59.99

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

ECO (Cerulean) - Extra Fine

$59.99

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

ECO (Cerulean) - Broad

$59.99

TWSBI

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

ECO (Cerulean) - Stub 1.1mm

$59.99

TWSBI

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

ECO (Glow) - Stub 1.1mm

$59.99

TWSBI

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new ECO (Plum / Onyx) - Fine Sold Out
TWSBI
ECO (Plum / Onyx) - Fine
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$105.00
X
ECO (Plum / Onyx) - Fine
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Sold Out

ECO (Plum / Onyx) - 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) - Broad
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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) - Broad

$105.00

TWSBI

This product is sold out

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TWSBI ECO (Amazonite) - Extra Fine Fountain Pen Sold Out
TWSBI
ECO (Amazonite) - Stub 1.1
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$68.00
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TWSBI ECO (Amazonite) - Extra Fine Fountain Pen
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Sold Out

ECO (Amazonite) - Stub 1.1

$68.00

TWSBI

This product is sold out

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TWSBI ECO (Heat) - Broad Fountain Pen Sold Out
TWSBI
ECO (Heat) - Broad
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$59.99
X
TWSBI ECO (Heat) - Broad Fountain Pen
Sold Out

ECO (Heat) - Broad

$59.99

TWSBI

This product is sold out

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