Tom’s Studio Lumos Spare Ink Reservoirs — Duo & Mini (Pack of 5)

Spare fiber-core ink reservoirs for the Lumos Duo and Lumos Mini pens. Keep a few on hand so you can switch ink colors quickly, or replace a reservoir when it’s worn. The high-quality fiber core gives smooth, reliable ink flow for a consistent writing and drawing experience.

• Includes: 5 spare reservoirs
• Size: 6 x 42 mm
• Fits: Lumos Duo and Lumos Mini
• Core: Fiber, for smooth, steady ink flow
• Tip: Fill each one with a different ink and store them in a Reservoir & Tip Container to swap colors anytime.