Tombow MONO Graph Fine Mechanical Pencil

Low-Center-of-Gravity Precision with Integrated Metal Grip

The Tombow MONO Graph Fine mechanical pencil represents a refined evolution in Japanese drafting instruments. Built with an integrated metal grip and ultra-slim tapered drafting pipe, it completely eliminates tip wobble while lowering the pencil's center of gravity for steady, fatigue-free writing. Combined with Tombow's famous twist-extend MONO eraser and an innovative eraser lock mechanism, this high-precision pencil meets the rigorous demands of architects, illustrators, and discerning note-takers.

Key Features

• Integrated Metal Grip & Nose Cone: Machined one-piece metal front section lowers the center of gravity and delivers rock-solid, wobble-free drafting stability.
• Ultra-Slim Tapered Drafting Pipe: Stepped 4mm guide pipe provides an unobstructed sightline against straightedges, templates, and intricate sketch lines.
• Built-In Twist-Extend MONO Eraser: Premium refillable high-performance MONO eraser twists out effortlessly for pinpoint corrections.
• Eraser Lock Mechanism: Integrated mechanism locks the knock button when the eraser is deployed to prevent accidental lead advancement while erasing.
• Soft-Feel Textured Finish: Metallic body coated with a subtle soft-touch finish for secure grip comfort without harsh knurling.

Specifications

• Brand: Tombow
• Model: MONO Graph Fine
• Lead Sizes: 0.3mm, 0.5mm
• Grip Material: Solid Metal (Integrated Low-Center-of-Gravity)
• Weight: Approx. 22g
• Country of Origin: Japan

Frequently Asked Questions

How does the eraser lock mechanism work on the MONO Graph Fine?
When you twist out the top MONO eraser to erase, the internal knock mechanism automatically locks so you can apply erasing pressure without accidentally clicking and advancing the lead.

Is the tip fixed or retractable?
The MONO Graph Fine features a rigid 4mm stepped drafting pipe integrated directly into the metal nose cone to guarantee zero tip wobble during precision work.

Are the eraser and leads refillable?
Yes, the eraser is replaceable using Tombow ER-MGF refills, and the pencil accepts all standard 0.3mm or 0.5mm mechanical pencil leads matching your model.