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 Mini Rose Gold II (White) - Extra Fine Fountain Pen
TWSBI
Diamond Mini Rose Gold II (White) - Extra Fine
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$135.00
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TWSBI Diamond Mini Rose Gold II (White) - Extra Fine Fountain Pen

Diamond Mini Rose Gold II (White) - Extra Fine

$135.00

TWSBI

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

ECO (White/ Rose Gold) - Broad

$95.00

TWSBI

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TWSBI Black - 2ml ink shown with a plush, velvety dark brown-black pad, resembling a small mat or coaster with mottled shading.
TWSBI
TWSBI Black - 2ml
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$2.00
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TWSBI Black - 2ml ink shown with a plush, velvety dark brown-black pad, resembling a small mat or coaster with mottled shading.
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TWSBI Black - 2ml

$2.00

TWSBI

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TWSBI 1791 - Sky Blue - 18ml ink in a frosted square glass bottle with gold branding and a red plastic cap, inspired by Chinese classical literature.
TWSBI
TWSBI 1791 - Sky Blue - 18ml
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$12.00
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TWSBI 1791 - Sky Blue - 18ml ink in a frosted square glass bottle with gold branding and a red plastic cap, inspired by Chinese classical literature.
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TWSBI 1791 - Sky Blue - 18ml

$12.00

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TWSBI TWSBI 1791 - Emerald Green - 18ml Bottled Ink
TWSBI
TWSBI 1791 - Emerald Green - 18ml
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$12.00
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TWSBI TWSBI 1791 - Emerald Green - 18ml Bottled Ink
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TWSBI 1791 - Emerald Green - 18ml

$12.00

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Diamond Mini Nib Set - Medium, featuring a steel nib with decorative etching, black plastic feed, and clear threaded housing for TWSBI's Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Medium
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$33.50
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Diamond Mini Nib Set - Medium, featuring a steel nib with decorative etching, black plastic feed, and clear threaded housing for TWSBI's Diamond Mini fountain pens.

Diamond Mini Nib Set - Medium

$33.50

TWSBI

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VAC Mini Nib Set - Stub 1.1 features a steel nib and transparent feed section, designed for TWSBI VAC Mini fountain pens to enhance writing versatility.
TWSBI
VAC Mini Nib Set - Stub 1.1
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$39.50
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VAC Mini Nib Set - Stub 1.1 features a steel nib and transparent feed section, designed for TWSBI VAC Mini fountain pens to enhance writing versatility.

VAC Mini Nib Set - Stub 1.1

$39.50

TWSBI

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ECO-T (Yellow Green) - Fine fountain pen with clear barrel showing piston mechanism; cap in bright lime/yellow with chrome clip and TWSBI branding.
TWSBI
ECO-T (Yellow Green) - Fine
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$59.99
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ECO-T (Yellow Green) - Fine fountain pen with clear barrel showing piston mechanism; cap in bright lime/yellow with chrome clip and TWSBI branding.
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ECO-T (Yellow Green) - Fine

$59.99

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VAC Mini (Clear) - Medium fountain pen showcasing a transparent acrylic body, vacuum filling mechanism, stainless-steel nib, and a screw-on cap with a red TWSBI logo.
TWSBI
VAC Mini (Clear) - Medium
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$110.00
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VAC Mini (Clear) - Medium fountain pen showcasing a transparent acrylic body, vacuum filling mechanism, stainless-steel nib, and a screw-on cap with a red TWSBI logo.

VAC Mini (Clear) - Medium

$110.00

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VAC Mini (Clear) - Fine, a transparent TWSBI fountain pen with visible piston-filling mechanism and stainless steel nib, alongside its clear screw-on cap.
TWSBI
VAC Mini (Clear) - Fine
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$110.00
X
VAC Mini (Clear) - Fine, a transparent TWSBI fountain pen with visible piston-filling mechanism and stainless steel nib, alongside its clear screw-on cap.

VAC Mini (Clear) - Fine

$110.00

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TWSBI ECO (White) - Broad: A clear demonstrator fountain pen, featuring a silver-trim, piston-fill mechanism, with cap on and off, revealing the steel nib and ink reservoir.
TWSBI
ECO (White) - Broad
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$59.99
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TWSBI ECO (White) - Broad: A clear demonstrator fountain pen, featuring a silver-trim, piston-fill mechanism, with cap on and off, revealing the steel nib and ink reservoir.

ECO (White) - Broad

$59.99

TWSBI

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new ECO (Plum / Onyx) - Medium
TWSBI
ECO (Plum / Onyx) - Medium
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$105.00
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ECO (Plum / Onyx) - Medium
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ECO (Plum / Onyx) - Medium

$105.00

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new ECO (Carrara / Onyx) - Medium
TWSBI
ECO (Carrara / Onyx) - Medium
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$105.00
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ECO (Carrara / Onyx) - Medium
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ECO (Carrara / Onyx) - Medium

$105.00

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

$105.00

TWSBI

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

$105.00

TWSBI

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new TWSBI ECO fountain pen in Matcha colourway with transparent body and green accents
TWSBI
ECO (Matcha) - Medium
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$59.99
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TWSBI ECO fountain pen in Matcha colourway with transparent body and green accents
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ECO (Matcha) - Medium

$59.99

TWSBI

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

$95.00

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TWSBI ECO fountain pen in Creme/Rose Gold, featuring a clear acrylic body, Broad steel nib, and piston filling mechanism, showcasing elegant rose-gold-tone trim.
TWSBI
ECO (Creme / Rose Gold) - Broad
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$95.00
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TWSBI ECO fountain pen in Creme/Rose Gold, featuring a clear acrylic body, Broad steel nib, and piston filling mechanism, showcasing elegant rose-gold-tone trim.
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ECO (Creme / Rose Gold) - Broad

$95.00

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

$59.99

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

ECO (Glow) - Medium

$59.99

TWSBI

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

$43.50

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

$43.50

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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
X
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

TWSBI

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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
X
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

TWSBI

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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

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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
X
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
X
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 - Stub 1.5, features a stainless-steel nib with engravings, black ink-feed, and transparent plastic section for TWSBI Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Stub 1.5
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$38.50
X
Diamond Mini Nib Set - Stub 1.5, features a stainless-steel nib with engravings, black ink-feed, and transparent plastic section for TWSBI Diamond Mini fountain pens.

Diamond Mini Nib Set - Stub 1.5

$38.50

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Diamond Mini Nib Set - Stub 1.1 features a steel nib with decorative engraving, black feed, and clear ink converter compatible with TWSBI Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Stub 1.1
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$38.50
X
Diamond Mini Nib Set - Stub 1.1 features a steel nib with decorative engraving, black feed, and clear ink converter compatible with TWSBI Diamond Mini fountain pens.

Diamond Mini Nib Set - Stub 1.1

$38.50

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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) - 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
X
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

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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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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

TWSBI

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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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TWSBI TWSBI Blue - 70ml Bottled Ink Sold Out
TWSBI
TWSBI Blue - 70ml
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$32.00
X
TWSBI TWSBI Blue - 70ml Bottled Ink
/ 1 / 2 / 3
Sold Out

TWSBI Blue - 70ml

$32.00

TWSBI

This product is sold out

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TWSBI VAC20A Ink Bottle - Black Accessories Sold Out
TWSBI
VAC20A Ink Bottle - Black
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$29.00
X
TWSBI VAC20A Ink Bottle - Black Accessories
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Sold Out

VAC20A Ink Bottle - Black

$29.00

TWSBI

This product is sold out

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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. Sold Out
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.
/ 1 / 2 / 3
Sold Out

ECO (Irish Green/ Onyx) - Extra Fine

$95.00

TWSBI

This product is sold out

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