Uni NanoDia Color Pencil Leads 3-Pack

Uni NanoDia Color Mechanical Pencil Leads 0.5mm 3-Pack

Experience smooth, break-resistant color writing with Uni NanoDia Color Mechanical Pencil Leads from Mitsubishi Pencil Japan. Infused with approximately 400 million nano-diamond particles per tube, these advanced polymer leads deliver 40% greater break resistance than conventional colored leads while gliding effortlessly across paper. Unlike traditional colored pencil leads that smudge or resist erasing, Uni NanoDia color leads erase cleanly with ordinary pencil erasers, making them indispensable for drafting, proofreading, sketch underdrawings, and color-coded study notes.

Key Features

• Nano-Diamond Reinforced Strength: Compounded with 400 million nano-diamonds per tube, boosting tensile strength by 40% to prevent lead breakage inside the pencil or during heavy-handed writing.
• Cleanly Erasable Formulation: Easily and cleanly erases with standard plastic or vinyl erasers without tearing paper or leaving stubborn color ghosts behind.
• Vibrant Color Saturation: Produces rich, uniform lines with minimal pressure, ideal for highlighting, editing, underlining, and architectural notations.
• Generous 3-Pack Value: Each set contains 3 dispenser tubes with 20 leads each for a total of 60 premium 0.5mm leads.
• Smooth Low-Friction Glide: High-purity resin binder provides a silky writing feel that will not scratch or drag across delicate paper surfaces.

Specifications

• Brand: Uni Mitsubishi Pencil
• Model: NanoDia Color (U05-202NDC)
• Lead Diameter: 0.5 mm
• Lead Length: 60 mm
• Pack Quantity: 3 tubes (20 leads per tube, 60 leads total)
• Available Colors: Red, Blue, Orange, Green, Purple, Pink, Sky Blue
• Erasability: Cleanly erasable with standard erasers
• Country of Origin: Japan

Frequently Asked Questions

Are Uni NanoDia color pencil leads really erasable?
Yes. Unlike traditional wax-based colored pencil leads, Uni NanoDia color leads use a specialized polymer resin matrix that erases cleanly using any standard pencil or vinyl eraser.

Will these 0.5mm color leads fit standard mechanical pencils?
Yes. They fit any standard 0.5mm mechanical pencil or drafting pencil, including Uni Kurutoga, Rotring, Pentel, and Pilot models.

How many total leads come in this 3-pack set?
Each dispenser tube holds 20 leads, giving you a total of 60 leads per 3-pack set.

Are these leads prone to snapping during writing?
No. The infusion of approximately 400 million nano-diamond particles strengthens the graphite-resin structure by 40%, significantly reducing tip breakage during intense writing or drafting.