Kuretake Zig Letter Pen COCOIRO Refill Ink Color Sepia Marker Pen Cartridge with Flexible Made In Japan Ultra-Fine Tip,

"COCOIRO" comes from the combination of the Japanese words for "heart" (COCORO) and "color" (IRO). This letter pen features a flexible, semi-hard nib that produces precise, sharp lines. [Brush Tip] The flexible brush tip is ideal for drawing lines of varying widths. By alternating the pressure and position of the pen, the stroke width and speed will vary by approximately 0.2-1.0mm. This type of pen is delicate but suitable for everyday writing, decoration, hand lettering, modern calligraphy and illustration. [Ink Cartridge] This refillable pen allows you to continue using the pen body and refill it as needed. COCOIRO is designed so you can customize the body, ink, and tip to match your style or the color of your heart. "COCOIRO" comes from the combination of the Japanese words for "heart" (COCORO) and "color" (IRO). This letter pen features a flexible, semi-hard nib that produces precise, sharp lines.