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 (Iceberg) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Iceberg) - Medium
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$120.00
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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
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Diamond 580 ALR (Iceberg) - Medium

$120.00

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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Iceberg) - Stub 1.1
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$120.00
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TWSBI Diamond 580 ALR (Iceberg) - Medium Fountain Pen
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Diamond 580 ALR (Iceberg) - Stub 1.1

$120.00

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TWSBI ECO (Dark Sapphire) - Broad Fountain Pen
TWSBI
ECO (Dark Sapphire) - Broad
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$59.99
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TWSBI ECO (Dark Sapphire) - Broad Fountain Pen
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ECO (Dark Sapphire) - Broad

$59.99

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TWSBI Diamond 580 ALR (Black) - Broad Fountain Pen
TWSBI
Diamond 580 ALR (Black) - Broad
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$120.00
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TWSBI Diamond 580 ALR (Black) - Broad Fountain Pen
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Diamond 580 ALR (Black) - Broad

$120.00

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TWSBI Diamond 580 ALR (Black) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Black) - Stub 1.1
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$120.00
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TWSBI Diamond 580 ALR (Black) - Stub 1.1 Fountain Pen
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Diamond 580 ALR (Black) - Stub 1.1

$120.00

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TWSBI TWSBI Kai (LE) - Extra Fine Fountain Pen
TWSBI
TWSBI Kai (LE) - Extra Fine
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$235.00
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TWSBI TWSBI Kai (LE) - Extra Fine Fountain Pen
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TWSBI Kai (LE) - Extra Fine

$235.00

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TWSBI TWSBI Kai (LE) - Fine Fountain Pen
TWSBI
TWSBI Kai (LE) - Fine
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$235.00
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TWSBI TWSBI Kai (LE) - Fine Fountain Pen
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TWSBI Kai (LE) - Fine

$235.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Extra Fine Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Extra Fine
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$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Extra Fine Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Extra Fine

$120.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Fine Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Fine
-
$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Fine Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Fine

$120.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Medium
-
$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Medium Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Medium

$120.00

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TWSBI Diamond 580 ALR (Sunset Yellow) - Broad Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Broad
-
$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Broad Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Broad

$120.00

TWSBI

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TWSBI Diamond 580 ALR (Sunset Yellow) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Sunset Yellow) - Stub 1.1
-
$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Stub 1.1 Fountain Pen

Diamond 580 ALR (Sunset Yellow) - Stub 1.1

$120.00

TWSBI

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TWSBI ECO (Heat) - Fine Fountain Pen
TWSBI
ECO (Heat) - Fine
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$59.99
X
TWSBI ECO (Heat) - Fine Fountain Pen

ECO (Heat) - Fine

$59.99

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

ECO (Heat) - Stub 1.1

$59.99

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

Diamond Mini AL (Grape) - Extra Fine

$109.00

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

ECO (Persian Green) - Extra Fine

$59.99

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

$129.00

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

$59.99

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TWSBI Diamond 580 (Iris) - Broad Fountain Pen
TWSBI
Diamond 580 (Iris) - Broad
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$155.00
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TWSBI Diamond 580 (Iris) - Broad Fountain Pen
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Diamond 580 (Iris) - Broad

$155.00

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TWSBI ECO (Transparent Yellow) - Stub 1.1mm Fountain Pen
TWSBI
ECO (Transparent Yellow) - Stub 1.1mm
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$59.99
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TWSBI ECO (Transparent Yellow) - Stub 1.1mm Fountain Pen
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ECO (Transparent Yellow) - Stub 1.1mm

$59.99

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TWSBI Diamond 580 (White/Rose Gold) - Broad Fountain Pen
TWSBI
Diamond 580 (White/Rose Gold) - Broad
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$155.00
X
TWSBI Diamond 580 (White/Rose Gold) - Broad Fountain Pen

Diamond 580 (White/Rose Gold) - Broad

$155.00

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

$12.00

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TWSBI TWSBI 1791 - Grape - 2ml Ink Sample
TWSBI
TWSBI 1791 - Grape - 2ml
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$2.50
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TWSBI TWSBI 1791 - Grape - 2ml Ink Sample
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TWSBI 1791 - Grape - 2ml

$2.50

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

$12.00

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TWSBI TWSBI 1791 - Navy - 2ml Ink Sample
TWSBI
TWSBI 1791 - Navy - 2ml
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$2.50
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TWSBI TWSBI 1791 - Navy - 2ml Ink Sample
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TWSBI 1791 - Navy - 2ml

$2.50

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TWSBI TWSBI 1791 - Forest Green - 2ml Ink Sample
TWSBI
TWSBI 1791 - Forest Green - 2ml
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$2.50
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TWSBI TWSBI 1791 - Forest Green - 2ml Ink Sample
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TWSBI 1791 - Forest Green - 2ml

$2.50

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TWSBI TWSBI 1791 - Crimson - 2ml Ink Sample
TWSBI
TWSBI 1791 - Crimson - 2ml
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$2.50
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TWSBI TWSBI 1791 - Crimson - 2ml Ink Sample
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TWSBI 1791 - Crimson - 2ml

$2.50

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TWSBI SWIPE (Pear Green) - Extra Fine Fountain Pen
TWSBI
SWIPE (Pear Green) - Extra Fine
-
$43.50
X
TWSBI SWIPE (Pear Green) - Extra Fine Fountain Pen

SWIPE (Pear Green) - Extra Fine

$43.50

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TWSBI SWIPE (Pear Green) - Fine Fountain Pen
TWSBI
SWIPE (Pear Green) - Fine
-
$43.50
X
TWSBI SWIPE (Pear Green) - Fine Fountain Pen

SWIPE (Pear Green) - Fine

$43.50

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TWSBI SWIPE (Pear Green) - Stub 1.1 Fountain Pen
TWSBI
SWIPE (Pear Green) - Stub 1.1
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$43.50
X
TWSBI SWIPE (Pear Green) - Stub 1.1 Fountain Pen

SWIPE (Pear Green) - Stub 1.1

$43.50

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TWSBI SWIPE (Salmon) - Extra Fine Fountain Pen
TWSBI
SWIPE (Salmon) - Extra Fine
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$43.50
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TWSBI SWIPE (Salmon) - Extra Fine Fountain Pen
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SWIPE (Salmon) - Extra Fine

$43.50

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TWSBI VAC 700R Nib Set - Broad Accessories
TWSBI
VAC 700R Nib Set - Broad
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$38.95
X
TWSBI VAC 700R Nib Set - Broad Accessories

VAC 700R Nib Set - Broad

$38.95

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TWSBI Diamond 580 ALR (Punch Pink) - Medium Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Medium
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$120.00
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TWSBI Diamond 580 ALR (Punch Pink) - Medium Fountain Pen
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Diamond 580 ALR (Punch Pink) - Medium

$120.00

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TWSBI Diamond 580 ALR (Punch Pink) - Stub 1.1 Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Stub 1.1
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$120.00
X
TWSBI Diamond 580 ALR (Punch Pink) - Stub 1.1 Fountain Pen
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Diamond 580 ALR (Punch Pink) - Stub 1.1

$120.00

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

$12.00

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TWSBI 1791 - Prairie Green - 18ml: A small frosted glass bottle with a red cap, showcasing fountain-pen ink inspired by Dream of Red Chambers.
TWSBI
TWSBI 1791 - Prairie Green - 18ml
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$12.00
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TWSBI 1791 - Prairie Green - 18ml: A small frosted glass bottle with a red cap, showcasing fountain-pen ink inspired by Dream of Red Chambers.
/ 1 / 2

TWSBI 1791 - Prairie Green - 18ml

$12.00

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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
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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.
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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
-
$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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Diamond 580AL (Silver) - Medium fountain pen, uncapped, showcasing transparent barrel, steel nib, piston mechanism, and silver trim, with a clear cap featuring a metal clip.
TWSBI
Diamond 580AL (Silver) - Medium
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$120.00
X
Diamond 580AL (Silver) - Medium fountain pen, uncapped, showcasing transparent barrel, steel nib, piston mechanism, and silver trim, with a clear cap featuring a metal clip.
/ 1 / 2

Diamond 580AL (Silver) - Medium

$120.00

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Diamond Mini (Clear) - Broad fountain pens, featuring a transparent body and silver trim; one capped, the other uncapped to show the stainless-steel nib.
TWSBI
Diamond Mini (Clear) - Broad
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$92.00
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Diamond Mini (Clear) - Broad fountain pens, featuring a transparent body and silver trim; one capped, the other uncapped to show the stainless-steel nib.
/ 1 / 2

Diamond Mini (Clear) - Broad

$92.00

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