Uni Kurutoga M5-KW Mechanical Pencil | Wood Grip & Metal Barrel | Auto-Rotating 0.5mm | Premium Japan

The Warmth of Wood. The Precision of Japan's Best Pencil Engine.

Meet the Uni Kurutoga M5-KW — a rare fusion of natural wood craftsmanship and cutting-edge Japanese engineering. Wrapped in a genuine wood grip and anchored by a premium metal barrel, this mechanical pencil pairs the tactile warmth of traditional stationery with Uni's patented Kurutoga Auto-Rotating Engine.

Every stroke rotates the lead. Every line stays sharp. Every writing session feels like a ritual.

◾ Key Features

• Kurutoga Engine — Automatically rotates lead ~9° per stroke, maintaining a consistently sharp, conical tip
• Natural wood grip section — Warm, organic texture for a comfortable, fatigue-free hold during long writing sessions
• Premium metal barrel — Balanced weight and refined aesthetics that elevate your desk setup
• 0.5mm lead — Fine, precise lines ideal for writing, note-taking, sketching, and technical drawing
• Retractable tip — Safely retracts for pocket and pencil case carry
• No more flat lead tips — Solves the #1 frustration of mechanical pencil users
• Compatible with standard 0.5mm leads — Works with Uni Nano Dia and most 0.5mm refills

◾ Specifications

• Model: M5-KW
• Lead Diameter: 0.5mm
• Grip Material: Natural Wood
• Barrel Material: Metal
• Mechanism: Kurutoga Auto-Rotating Engine
• Origin: Japan
• Brand: Uni Mitsubishi Pencil

◾ Who Is This For?

The M5-KW is crafted for writers, designers, architects, and stationery collectors who want more than just a tool — they want an experience. If you appreciate the grain of wood in your hand and demand the sharpest line on the page, this is your pencil.

Frequently Asked Questions

Q: What makes the M5-KW different from other Kurutoga models?

A: The M5-KW is the wood grip edition of the Kurutoga lineup. While all Kurutoga models share the same auto-rotating engine, the M5-KW adds a genuine natural wood grip section combined with a metal barrel — offering a unique tactile warmth and premium aesthetic not found in standard plastic or all-metal versions.

Q: How does the Kurutoga Engine work?

A: Each time you lift the pencil from the paper, the internal Kurutoga Engine rotates the lead approximately 9 degrees. Over repeated strokes, this keeps the lead tip uniformly sharp and conical — eliminating the flat, lopsided wear that plagues conventional mechanical pencils.

Q: What lead size does the M5-KW use?

A: The M5-KW uses standard 0.5mm mechanical pencil lead. We recommend Uni Nano Dia 0.5mm leads for the best performance, though it is compatible with most 0.5mm leads available on the market.

Q: Is the wood grip durable? Will it wear down over time?

A: The wood grip is finished and treated for everyday use. With normal handling, it maintains its texture and appearance well. Avoid prolonged exposure to moisture or extreme humidity to preserve the wood's condition.

Q: Does the tip retract?

A: Yes. The M5-KW features a retractable tip mechanism. Press the top button to extend or retract the lead tip, keeping it protected when stored in a bag or pencil case.

Q: Is this an authentic Japanese product?

A: Yes. The Uni Kurutoga M5-KW is a genuine product by Mitsubishi Pencil Co., Ltd. (Uni), one of Japan's most respected stationery manufacturers with over 130 years of history. All products we carry are sourced directly and are 100% authentic.