Uni Kuru Toga M5-450T Mechanical Pencil

Consistent Precision with Auto-Rotating Kuru Toga Technology

The Uni Kuru Toga M5-450T reimagines daily writing and drafting through Mitsubishi Pencil's patented auto-rotating lead mechanism. Standard mechanical pencils wear down on one side, creating a slanted chisel edge that produces broad, scratchy lines and frequent lead snapping. The M5-450T activates a micro-ratchet gear every time the pencil lifts from paper, incrementally turning the 0.5 mm graphite by 9 degrees. This continuous cycle forms a symmetrical conical tip, delivering crisp letterforms, uniform line density, and dependable resistance against accidental core breakage during intense study sessions and technical sketching.

Key Features

• 9° Core Auto-Rotation Engine: Internal geared core advances automatically upon pencil lift, preventing chisel-edge slant and graphite splintering.
• Translucent Lightweight Casing: Slim 9.4 mm diameter transparent barrel with a visible engine window showing the rotating gear in motion.
• Bonus Smudge-Proof Lead Case: Each pencil comes equipped with a 40-piece pack of Uni 0.5 mm HB smudge-resistant polymer graphite leads (0.5 x 60 mm).
• Ergonomic Student-Friendly Balance: Lightweight 142 mm construction crafted for comfortable fatigue-free handwriting across notebooks and exam sheets.
• Precision Drafting Tip: Fixed guide pipe stabilizes lead alignment for ruling margins, math formulas, and architectural notation.

Specifications

• Brand: Uni Mitsubishi Pencil
• Model: Kuru Toga M5-450T
• Lead Diameter: 0.5 mm
• Body Length: 142 mm
• Grip Diameter: 9.4 mm
• Mechanism: Ratchet-gear lead rotation with push-top advance
• Lead Grade Included: 0.5 mm HB (40 pieces)
• Country of Origin: Japan

Frequently Asked Questions

How does the Kuru Toga auto-rotation mechanism work?
The pen tip contains a spring-loaded 3-gear ratchet engine. When downward writing pressure is applied and released, the internal clutch rotates the lead core by approximately 9 degrees, preserving a uniform conical point.

Does this pencil help prevent lead breakage for students?
Yes. Because the tip never forms a fragile diagonal bevel, pressure distributes evenly across the graphite axis, dramatically cutting down lead snapping caused by heavy hand pressure.

Can I use standard 0.5 mm replacement leads?
Yes, the M5-450T accepts any standard 0.5 mm lead refills, though Uni Smudge-Proof and NanoDia graphite cores optimize rotating performance and clean page contrast.

What is the customer support and order policy?
Inquiries are addressed after order placement via our official support email at szjyf@outlook.com. Full refunds are supported at any time prior to order dispatch confirmation.