Kuretake ZIG Cocoiro Refill 378 Blue Black replacement ink refill for Letter Pen

Kuretake ZIG Cocoiro Refill 378 Blue Black

The original Kuretake replacement refill for ZIG Cocoiro Letter Pen features a flexible Extra Fine tip and premium Blue Black water-based dye ink.

The sophisticated Blue Black colour combines the depth of black with a subtle blue undertone, making it perfect for elegant writing, journaling, calligraphy and professional notes. The flexible tip responds to pressure, allowing expressive line variation and precise control.

Key Features

• original Cocoiro replacement refill;
• Blue Black ink colour (378);
• flexible Extra Fine tip;
• smooth writing performance;
• pressure-sensitive line variation;
• easy installation;
• ideal for writing, drawing and lettering.

Perfect For

• everyday writing;
• journaling;
• bullet journals;
• planners;
• hand lettering;
• calligraphy;
• sketching and illustration.

Specifications

• series: Cocoiro Refill
• colour: 378 Blue Black
• ink colour: Blue Black
• tip type: Extra Fine Flexible
• ink type: water-based dye ink
• compatibility: Kuretake ZIG Cocoiro Letter Pen
• brand: Kuretake