Kuretake Brush Pen Black Ink No. 31 Tsuma

Traditional Brush Elegance with Modern Convenience

The Kuretake Brush Pen No. 31 – Tsuma combines the grace of traditional brushwork with the practicality of a modern writing tool. Featuring fine nylon bristles and richly pigmented, water-based ink, it produces fluid, expressive strokes that transition effortlessly from delicate hairlines to bold, dynamic lines. Portable, refillable, and durable, it’s a dependable companion for calligraphy, sketching, and illustration.

Professional Brush Control

The flexible medium brush tip responds intuitively to pressure and angle, delivering natural variation with every stroke. Whether used for Japanese or Chinese calligraphy, expressive lettering, detailed outlines, or dynamic sketching, it adapts seamlessly to a wide range of artistic and writing styles.

Reliable Performance and Refill System

• Water-based pigment ink provides deep black lines that resist fading

• Medium brush tip allows fine detail and bold expression with ease

• Includes refill cartridge for long-term, sustainable use

• Crafted with precision and care, reflecting Kuretake’s brush-making heritage since 1973

Product Highlights

• Flexible nylon brush tip for expressive line variation

• Archival-quality black pigment ink for crisp, lasting results

• Medium point control for both precision and expressive flow

• Refillable cartridge system for extended usability

• Portable and convenient alternative to traditional calligraphy brushes

Product Description

• Series: Kuretake Brush Pen No. 31 – Tsuma

• Model Number: DE151-31

• Manufacturer: Kuretake Co., Ltd.

• Tip Type: Nylon brush

• Point Type: Medium

• Line Width: Approx. 0.5 mm (varies with pressure)

• Ink Color: Black (Water-based pigment ink)

• Closure: Snap cap

• Refill: Includes Kuretake brush pen cartridge

• Made in Japan

A Little Note

The Kuretake Brush Pen No. 31 – Tsuma is more than a pen, it is a bridge between classical brush artistry and modern design. With its elegant ink flow, controlled flexibility, and refillable system, it continues to inspire calligraphers and artists around the world to create with precision, beauty, and authenticity.