Kokuyo Brass Ballpoint Pen

The Kokuyo Brass Ballpoint Pen begins life with quiet restraint — and grows more interesting with every passing day. Inspired by a traditional brass pencil auxiliary shaft, this piece reimagines that simple, hand-fitting form as a beautifully weighted ballpoint pen. Its silhouette is pared back and honest, allowing the material to speak for itself. And brass, as it happens, has rather a lot to say.

Over time, the surface naturally oxidises, developing a softer tone and deeper character. The initial matte texture gradually evolves into a warm, nuanced patina unique to your use. It doesn’t merely age — it acquires stories. The more you carry it, the more it becomes distinctly yours.

Cleverly, the design retains its original purpose. Remove the nib, ballpoint refill and spacer, and it transforms back into an auxiliary holder, allowing you to extend the life of your favourite pencil right down to its final, valiant millimetres. A pen that also safeguards pencils? Admirably considerate.

Beauty Meets Function

• Solid Brass That Evolves: You enjoy a unique matte texture that naturally develops a rich patina over time — never static, always personal.

• Balanced, Hand-Fitting Design: Based on a traditional auxiliary shaft, the simple form sits comfortably in your hand for steady, everyday writing.

• Dual-Purpose Ingenuity: Remove the refill components and use it as a pencil extender, ensuring your favourite pencil is used to the very end.

Details

• Dimensions: W31mm x H31mm x D130mm
  
• Materials: Brass, Gel ink ballpoint pen lead
  
• Country of Origin: Japan