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

ECO (Cerulean) - Medium

$59.99

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TWSBI Piston Converter Accessories
TWSBI
Piston Converter
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$7.00
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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
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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

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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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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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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
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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.
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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) - Fine
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$95.00
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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.
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ECO (Irish Green/ Onyx) - Fine

$95.00

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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
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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.
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ECO (Irish Green/ Onyx) - Stub 1.1

$95.00

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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
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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.

ECO (Indigo Blue / Bronze) - Stub 1.1

$95.00

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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
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ECO-T (Saffron) - Stub 1.1mm

$59.99

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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
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TWSBI Diamond 580 (Iris) - Stub 1.1 Fountain Pen
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Diamond 580 (Iris) - Stub 1.1

$165.00

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

Diamond 580 ALR (Navy Blue) - Fine

$120.00

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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

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

Diamond 580 ALR (Prussian Blue) - Extra Fine

$120.00

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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.
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

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

ECO (White/ Rose Gold) - Broad

$95.00

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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.
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

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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

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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
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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.

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

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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

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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

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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
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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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