Shipping Delay Notice: Orders placed between April 30 and May 8 may experience delays due to the Japanese holidays.

uni Nano Dia Pencil Lead / uni Mitsubishi Pencil

Regular price ¥450
Tax included Shipping calculated at checkout.

Size
Color: Green

The uni Nano Dia Pencil Lead offers exceptional strength and precision thanks to nano-diamond reinforcement—ideal for extended writing sessions or technical work with minimal frequent lead breakage.

Key Features:

  • Nano-diamond infusion: Each lead is reinforced with nano-diamond particles for enhanced durability and significantly reduced breakage.

  • Consistent performance: Delivers smooth, dependable writing from the first to the last length of the lead.

  • Precision compatibility: Tailored for 0.5 mm and 0.7 mm mechanical pencils—excellent for detailed drawing, accurate note-taking, and technical tasks.

Specifications:

Lead Diameter: 0.5 mm, 0.7 mm
Material: Nano-diamond reinforced graphite
Ideal For: Extended writing, drafting, precision work

 

Note: Each case contains approximately 20 leads

Packaging That Reflects Our Values

Every order is carefully packaged to reflect our commitment to quality, presentation, and sustainable choices. Complete with complimentary touches, orders also include custom-designed furoshiki and an original, seasonal postcard.

  • Zero Surprise Fees

    All duties and taxes are calculated at checkout

  • Craftsmanship

    Rich Japanese culture and excellent craftsmanship

  • Express Shipping

    Enjoy free express shipping on eligible orders

  • Happy Customers

    4.9 stars from 8,000+ reviews