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

$120.00

TWSBI

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TWSBI ECO (Heat) - Extra Fine fountain pens, featuring clear barrels with bright orange caps, one capped and one uncapped, highlighting the metal nib and piston mechanism.
TWSBI
ECO (Heat) - Extra Fine
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$59.99
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TWSBI ECO (Heat) - Extra Fine fountain pens, featuring clear barrels with bright orange caps, one capped and one uncapped, highlighting the metal nib and piston mechanism.

ECO (Heat) - Extra Fine

$59.99

TWSBI

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new ECO (Carrara / Onyx) - Extra Fine
TWSBI
ECO (Carrara / Onyx) - Extra Fine
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$105.00
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ECO (Carrara / Onyx) - Extra Fine
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ECO (Carrara / Onyx) - Extra Fine

$105.00

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) - Extra Fine
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$155.00
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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.

Diamond 580 ALR (Caribbean with Onyx) - Extra Fine

$155.00

TWSBI

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TWSBI ECO-T (Eggplant) fountain pen with transparent body, purple accents, and mediummm stainless-steel nib, showcasing internal piston-filling mechanism.
TWSBI
ECO-T (Eggplant) - Extra Fine
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$59.99
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TWSBI ECO-T (Eggplant) fountain pen with transparent body, purple accents, and mediummm stainless-steel nib, showcasing internal piston-filling mechanism.
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ECO-T (Eggplant) - Extra Fine

$59.99

TWSBI

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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) - Extra Fine
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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.
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Diamond 580 ALR (Iceberg) - Extra Fine

$120.00

TWSBI

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TWSBI Diamond Mini AL (Grape) fountain pen, extra fine nib, with clear barrel and purple trim, showcasing a visible piston mechanism and branded cap.
TWSBI
Diamond Mini AL (Grape) - Extra Fine
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$109.00
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TWSBI Diamond Mini AL (Grape) fountain pen, extra fine nib, with clear barrel and purple trim, showcasing a visible piston mechanism and branded cap.

Diamond Mini AL (Grape) - Extra Fine

$109.00

TWSBI

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TWSBI Diamond 580 (White/Rose Gold) - Extra Fine fountain pen, featuring a clear demonstrator barrel, rose-gold nib, and visible piston-filling mechanism, shown capped and uncapped.
TWSBI
Diamond 580 (White/Rose Gold) - Extra Fine
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$155.00
X
TWSBI Diamond 580 (White/Rose Gold) - Extra Fine fountain pen, featuring a clear demonstrator barrel, rose-gold nib, and visible piston-filling mechanism, shown capped and uncapped.

Diamond 580 (White/Rose Gold) - Extra Fine

$155.00

TWSBI

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

Diamond Mini AL (Silver) - Extra Fine

$109.00

TWSBI

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