COCOIRO REFILL EXTRA FINE TIP BLUE BLACK

ZIG LETTER PEN COCOIRO LP REFILL, BLUE-BLACK FROM KURETAKE®
SKU: LP-R-378S

SOLD AS: Single Ink Refill
⚠️ PEN BODY NOT INCLUDED

Designed for the Kuretake® Cocoiro pen system, this Blue-Black ink refill lets you refresh and customize your Cocoiro pen with a refined, expressive color. Featuring a semi-flexible extra-fine fiber brush tip, it delivers smooth ink flow with controlled line variation—ideal for everyday writing, brush lettering, and calligraphy. The dye-based, water-based ink snaps easily into compatible Cocoiro pen bodies for quick, mess-free replacement.

KEY FEATURES
🖋️ Extra-fine semi-flexible fiber brush tip for controlled, expressive strokes
🎨 Rich Blue-Black dye-based, water-based ink
💧 Non-waterproof, water-soluble ink
🔄 Snap-in cartridge system for easy replacement
🎯 Sealed cartridge end doubles as a visible color indicator
🇯🇵 Made in Japan by Kuretake

COMPATIBILITY
• Compatible with ZIG Letter Pen Cocoiro pen bodies
• Designed for the Cocoiro LP refill system

SPECIFICATIONS
• Ink Color: Blue-Black
• Ink Composition: Dye-Based, Water-Based
• Tip Type: Brush
• Tip Material: Felt
• Tip Size: Extra Fine
• Max Diameter: 9.4 mm
• Length: 12.0 cm / 4.7 inches
• Tip Length: 0.3 cm / 0.1 inches
• Weight (without cap): 0.18 oz / 5 g
• Quantity: 1 refill

IDEAL FOR
✍️ Everyday writing with a refined, professional tone
🎨 Brush lettering and modern calligraphy
📓 Journaling, planners, and creative notes
🖤 Cocoiro users who enjoy customizing their pen experience

FINAL NOTE
Smooth, expressive, and easy to replace, the Kuretake® ZIG Letter Pen Cocoiro LP Refill in Blue-Black keeps your pen performing beautifully—subtle color, precise control, and effortless customization ✨🖋️