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) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
TWSBI
Diamond 580 ALR (Iceberg) - Medium
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$120.00
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TWSBI Diamond 580 ALR (Iceberg) fountain pen, extra fine nib, clear with light blue accents, showcasing piston-fill mechanism and transparent body.
/ 1 / 2 / 3

Diamond 580 ALR (Iceberg) - Medium

$120.00

TWSBI

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TWSBI Diamond 580ALR (Black) - medium fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
TWSBI
Diamond 580 ALR (Black) - Medium
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$120.00
X
TWSBI Diamond 580ALR (Black) - medium fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
/ 1 / 2 / 3 / 4 / 5

Diamond 580 ALR (Black) - Medium

$120.00

TWSBI

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TWSBI Diamond 580 ALR (Sunset Yellow) - Medium fountain pen, showcasing a clear body with metallic trim, featuring a piston-filling mechanism and detachable parts for easy maintenance.
TWSBI
Diamond 580 ALR (Sunset Yellow) - Medium
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$120.00
X
TWSBI Diamond 580 ALR (Sunset Yellow) - Medium fountain pen, showcasing a clear body with metallic trim, featuring a piston-filling mechanism and detachable parts for easy maintenance.

Diamond 580 ALR (Sunset Yellow) - Medium

$120.00

TWSBI

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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
X
TWSBI Diamond 580 ALR (Punch Pink) - Medium Fountain Pen
/ 1 / 2 / 3

Diamond 580 ALR (Punch Pink) - Medium

$120.00

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

TWSBI

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VAC Mini (Smoke) - Medium fountain pen with clear barrel, silver nib, black feed, and transparent cap featuring a metal clip and colored logo.
TWSBI
VAC Mini (Smoke) - Medium
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$110.00
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VAC Mini (Smoke) - Medium fountain pen with clear barrel, silver nib, black feed, and transparent cap featuring a metal clip and colored logo.
/ 1 / 2 / 3

VAC Mini (Smoke) - Medium

$110.00

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) - Medium
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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.
/ 1 / 2 / 3

Diamond 580 ALR (Affogato with Onyx) - Medium

$155.00

TWSBI

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TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.
TWSBI
Diamond 580 ALR (Caribbean with Onyx) - Medium
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$155.00
X
TWSBI Diamond 580 ALR (Caribbean with Onyx) - Extra Fine fountain pen, featuring a clear body with visible piston mechanism, shown in uncapped and capped positions.

Diamond 580 ALR (Caribbean with Onyx) - Medium

$155.00

TWSBI

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TWSBI Diamond Mini AL (Silver) - Medium Fountain Pen
TWSBI
Diamond Mini AL (Silver) - Medium
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$109.00
X
TWSBI Diamond Mini AL (Silver) - Medium Fountain Pen

Diamond Mini AL (Silver) - Medium

$109.00

TWSBI

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