TWSBI Eco Fountain Pen - Smoke with Rose Gold

Cool smoke with warm metal

The TWSBI Eco Smoke with Rose Gold combines a translucent black resin body with rose gold plated trim. It keeps the standard Eco demonstrator structure, but the darker smoke finish reduces visual brightness while still allowing full ink visibility. It uses the same piston filling system as the rest of the Eco range.

What sets it apart

• High ink capacity for extended writing
• Smooth, consistent steel nib for fast writing
• Smoke colour way that tones down the demonstrator look
• Rose gold trim adds warmth and contrast
• More affordable than the popular Diamond 580 Smoke

How it makes you feel

It looks more subdued than a clear Eco, with a darker barrel and warmer trim.

Who it’s for

• Writers who prefer darker, more subdued pen designs
• Everyday users who want high ink capacity and reliability
• People who like demonstrators but prefer less visual contrast
• Professionals who want a restrained but still distinctive pen

Not for

• Users who prefer bright or colourful pens
• Those who want cartridge or converter convenience
• Writers looking for a heavy, metal bodied feel
• Anyone who prefers fully opaque pens

Practical tips

• If ink splatters inside the translucent cap, use an elastic wrapped around the end of a pencil to pull out the blind cap for cleaning

FAQs

Is the Smoke fully transparent?
No, it has semi-transparent cap and piston knob, but the barrel is crystal clear for showing ink movement and level

Does it use cartridges or converters?
No, it uses a built in piston filling system

Is it suitable for beginners?
Yes, it’s one of the easiest piston fillers to use and maintain

Can it handle document and shimmer inks?
Yes, with regular cleaning recommended

Can I get a replacement nib?
Yes, it uses a standard Eco nib plated in a rose gold finish. Replacement nibs are available

What’s included

• TWSBI Eco Smoke with Rose Gold
• Wrench
• Silicone grease
• Simple pen box
• Instruction booklet
• Free nib tuning by LarryPOST

Ink pairing suggestions

• Black inks for a high contrast, formal look
• Grey inks for a softer, muted appearance
• Brown inks for a warmer, grounded tone
• Deep red or burgundy inks for stronger visual contrast inside the barrel

Build your practice

• Eco colour and trim variations work well as a set
• Replacement Eco nibs are useful for exploring line width 
• Midori MD notebooks pair well with most ink types

Specifications

• Brand: TWSBI
• Brand series: Eco (plated)
• Launch: Feb 2021
• Origin: Taiwan
• Nib: Stainless steel
• Nib sizes: EF, F, M, B, 1.1mm stub
• Filling system: Piston filler (1.8mL)
• Body: Transparent polycarbonate
• Trim: Rose Gold coloured plating
• Cap: Twist
• Grip: approx. 10mm
• Diametre: approx. 13mm
• Length: approx. 139mm (capped)
• Weight: approx. 21g (capped)
• Comparable size: Lamy Safari, Pilot Metropolitan

Reliable Eco performance, with a more muted visual style.