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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Diamond 580 Nib Set - Medium features a steel nib with decorative engraving, mounted in plastic housing, and includes an ink-converter for TWSBI Diamond 580 fountain pens.
TWSBI
Diamond 580 Nib Set - Medium
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$34.50
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Diamond 580 Nib Set - Medium features a steel nib with decorative engraving, mounted in plastic housing, and includes an ink-converter for TWSBI Diamond 580 fountain pens.

Diamond 580 Nib Set - Medium

$34.50

TWSBI

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Diamond 580 Nib Set - Fine, showcasing a detachable TWSBI fountain pen nib section with steel nib, feed, and ink converter housing for versatile writing.
TWSBI
Diamond 580 Nib Set - Fine
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$34.50
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Diamond 580 Nib Set - Fine, showcasing a detachable TWSBI fountain pen nib section with steel nib, feed, and ink converter housing for versatile writing.

Diamond 580 Nib Set - Fine

$34.50

TWSBI

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TWSBI Pipe Pen Filler, a stainless steel extension for ink converters, designed for efficient fountain pen ink filling and maintenance with TWSBI piston-fill pens and converters.
TWSBI
Pipe Pen Filler
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$18.00
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TWSBI Pipe Pen Filler, a stainless steel extension for ink converters, designed for efficient fountain pen ink filling and maintenance with TWSBI piston-fill pens and converters.
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Pipe Pen Filler

$18.00

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Diamond 580 Nib Set - Stub 1.1, featuring a TWSBI-marked steel nib with feed and ink-converter, compatible with the Diamond 580 fountain pen range.
TWSBI
Diamond 580 Nib Set - Stub 1.1
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$39.50
X
Diamond 580 Nib Set - Stub 1.1, featuring a TWSBI-marked steel nib with feed and ink-converter, compatible with the Diamond 580 fountain pen range.

Diamond 580 Nib Set - Stub 1.1

$39.50

TWSBI

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Diamond 580 Nib Set - Stub 1.5 features a polished steel nib with decorative etching, attached to its grip, alongside an ink converter assembly.
TWSBI
Diamond 580 Nib Set - Stub 1.5
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$39.50
X
Diamond 580 Nib Set - Stub 1.5 features a polished steel nib with decorative etching, attached to its grip, alongside an ink converter assembly.

Diamond 580 Nib Set - Stub 1.5

$39.50

TWSBI

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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
X
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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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
X
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

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TWSBI Piston Converter for SWIPE fountain pen, featuring a clear piston-style pump for refilling with fountain pen ink. Designed for writing enthusiasts at Desk Bandit.
TWSBI
Piston Converter
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$7.00
X
TWSBI Piston Converter for SWIPE fountain pen, featuring a clear piston-style pump for refilling with fountain pen ink. Designed for writing enthusiasts at Desk Bandit.

Piston Converter

$7.00

TWSBI

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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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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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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
X
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
X
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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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

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TWSBI Glass Ball Ink Holder with fountain pen, showcasing polished glass design for fountain pen ink, next to a rose-gold-trim fountain pen on a wooden surface.
TWSBI
Glass Ball Ink Holder
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$155.00
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TWSBI Glass Ball Ink Holder with fountain pen, showcasing polished glass design for fountain pen ink, next to a rose-gold-trim fountain pen on a wooden surface.
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Glass Ball Ink Holder

$155.00

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Spring Loaded Converter by TWSBI for SWIPE fountain pens, featuring a clear spring-loaded magazine for storing and dispensing extra 1⁄4″ driver bits.
TWSBI
Spring Loaded Converter
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$7.00
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Spring Loaded Converter by TWSBI for SWIPE fountain pens, featuring a clear spring-loaded magazine for storing and dispensing extra 1⁄4″ driver bits.

Spring Loaded Converter

$7.00

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VAC20A Ink Bottle - Orange: A clear glass vessel with a black screw-on midsection and translucent orange cap, designed for TWSBI pen refilling.
TWSBI
VAC20A Ink Bottle - Orange
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$29.00
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VAC20A Ink Bottle - Orange: A clear glass vessel with a black screw-on midsection and translucent orange cap, designed for TWSBI pen refilling.
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VAC20A Ink Bottle - Orange

$29.00

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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

TWSBI

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Diamond Mini Nib Set - Broad, featuring a steel fountain-pen nib with plastic feed and threaded housing, designed for TWSBI Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Broad
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$33.50
X
Diamond Mini Nib Set - Broad, featuring a steel fountain-pen nib with plastic feed and threaded housing, designed for TWSBI Diamond Mini fountain pens.

Diamond Mini Nib Set - Broad

$33.50

TWSBI

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Diamond Mini Nib Set - Fine features a steel nib with a feed and part of the grip section, compatible with TWSBI's Diamond Mini fountain pens.
TWSBI
Diamond Mini Nib Set - Fine
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$33.50
X
Diamond Mini Nib Set - Fine features a steel nib with a feed and part of the grip section, compatible with TWSBI's Diamond Mini fountain pens.

Diamond Mini Nib Set - Fine

$33.50

TWSBI

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TWSBI VAC20A Ink Bottle - Blue Accessories
TWSBI
VAC20A Ink Bottle - Blue
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$29.00
X
TWSBI VAC20A Ink Bottle - Blue Accessories
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VAC20A Ink Bottle - Blue

$29.00

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VAC Mini Nib Set - Extra Fine, showcasing a TWSBI nib unit with a transparent grip, designed for VAC Mini fountain pens, enhancing writing versatility.
TWSBI
VAC Mini Nib Set - Extra Fine
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$38.50
X
VAC Mini Nib Set - Extra Fine, showcasing a TWSBI nib unit with a transparent grip, designed for VAC Mini fountain pens, enhancing writing versatility.

VAC Mini Nib Set - Extra Fine

$38.50

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VAC 700R Nib Set - Broad - The Desk Bandit
TWSBI
VAC 700R Nib Set - Broad
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$38.95
X
VAC 700R Nib Set - Broad - The Desk Bandit

VAC 700R Nib Set - Broad

$38.95

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VAC20A Ink Bottle - Red features a clear mixing vessel, black collar, and red lid with a built-in strainer, designed for TWSBI pen refills.
TWSBI
VAC20A Ink Bottle - Red
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$29.00
X
VAC20A Ink Bottle - Red features a clear mixing vessel, black collar, and red lid with a built-in strainer, designed for TWSBI pen refills.
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VAC20A Ink Bottle - Red

$29.00

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VAC Mini Nib Set - Broad features a steel TWSBI B nib with decorative engraving, mounted in a transparent plastic grip for VAC Mini fountain pens.
TWSBI
VAC Mini Nib Set - Broad
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$38.50
X
VAC Mini Nib Set - Broad features a steel TWSBI B nib with decorative engraving, mounted in a transparent plastic grip for VAC Mini fountain pens.

VAC Mini Nib Set - Broad

$38.50

TWSBI

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VAC 700 Nib Set - Extra Fine - The Desk Bandit
TWSBI
VAC 700 Nib Set - Extra Fine
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$38.95
X
VAC 700 Nib Set - Extra Fine - The Desk Bandit

VAC 700 Nib Set - Extra Fine

$38.95

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VAC 700 Nib Set - Fine - The Desk Bandit
TWSBI
VAC 700 Nib Set - Fine
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$38.95
X
VAC 700 Nib Set - Fine - The Desk Bandit

VAC 700 Nib Set - Fine

$38.95

TWSBI

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VAC 700 Nib Set - Medium - The Desk Bandit
TWSBI
VAC 700 Nib Set - Medium
-
$38.95
X
VAC 700 Nib Set - Medium - The Desk Bandit

VAC 700 Nib Set - Medium

$38.95

TWSBI

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VAC 700 Nib Set - Broad - The Desk Bandit
TWSBI
VAC 700 Nib Set - Broad
-
$38.95
X
VAC 700 Nib Set - Broad - The Desk Bandit

VAC 700 Nib Set - Broad

$38.95

TWSBI

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VAC 700 Nib Set - Stub 1.1mm - The Desk Bandit
TWSBI
VAC 700 Nib Set - Stub 1.1mm
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$39.95
X
VAC 700 Nib Set - Stub 1.1mm - The Desk Bandit

VAC 700 Nib Set - Stub 1.1mm

$39.95

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VAC 700 Nib Set - Stub 1.5mm - The Desk Bandit
TWSBI
VAC 700 Nib Set - Stub 1.5mm
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$39.95
X
VAC 700 Nib Set - Stub 1.5mm - The Desk Bandit

VAC 700 Nib Set - Stub 1.5mm

$39.95

TWSBI

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VAC 700R Nib Set - Fine - The Desk Bandit
TWSBI
VAC 700R Nib Set - Fine
-
$38.95
X
VAC 700R Nib Set - Fine - The Desk Bandit

VAC 700R Nib Set - Fine

$38.95

TWSBI

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VAC 700R Nib Set - Medium - The Desk Bandit
TWSBI
VAC 700R Nib Set - Medium
-
$38.95
X
VAC 700R Nib Set - Medium - The Desk Bandit

VAC 700R Nib Set - Medium

$38.95

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VAC 700R Nib Set - 1.1mm - The Desk Bandit
TWSBI
VAC 700R Nib Set - 1.1mm
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$39.95
X
VAC 700R Nib Set - 1.1mm - The Desk Bandit

VAC 700R Nib Set - 1.1mm

$39.95

TWSBI

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VAC Mini Nib Set - Fine, showcasing the clear demonstrator-style section with exposed threaded end, steel nib, and feed, compatible with TWSBI VAC Mini fountain pens.
TWSBI
VAC Mini Nib Set - Fine
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$38.50
X
VAC Mini Nib Set - Fine, showcasing the clear demonstrator-style section with exposed threaded end, steel nib, and feed, compatible with TWSBI VAC Mini fountain pens.

VAC Mini Nib Set - Fine

$38.50

TWSBI

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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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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. Sold Out
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.
Sold Out

VAC Mini Nib Set - Medium

$38.50

TWSBI

This product is sold out

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VAC 700R Nib Set - Extra Fine - The Desk Bandit Sold Out
TWSBI
VAC 700R Nib Set - Extra Fine
-
$38.95
X
VAC 700R Nib Set - Extra Fine - The Desk Bandit
Sold Out

VAC 700R Nib Set - Extra Fine

$38.95

TWSBI

This product is sold out

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