Mitsubishi Uni Oshi no Ko Uni-ball One F Ballpoint Pen

Product Description

Overview

This Oshi no Ko Uni-ball One F Ballpoint pen by Mitsubishi Uni Pencil features popular characters with a premium writing experience. Designed with a low center of gravity, it delivers enhanced stability and precise control for smooth writing.

Key Features

• Gel ink pen with smooth writing performance
• Rich, dark ink for clear and sharp lines
• Low center of gravity for improved stability
• Comfortable and balanced design
• Ideal for study, office, and daily use
• Anime-themed character variations

✅ Variants - Tip Size

• Ai – Model: HH3571 (0.5mm)
• Aqua – Model: HH3572 (0.5mm)
• Ruby – Model: HH3573 (0.38mm)
• Kana Arima – Model: HH3574 (0.38mm)
• MEMcho – Model: HH3575 (0.38mm)
• Akane Kurokawa – Model: HH3576 (0.38mm)

✅ Variant-Specific Differences

Ai (HH3571), Aqua (HH3572) only:

• Tip Size: 0.5mm
• Refill: UMR-05S (sold separately)

Other variants:

• Tip Size: 0.38mm
• Refill: UMR-38S (sold separately)

✅ Specifications

• Series: Uni-ball One F
  
• Tip Size: 0.38mm / 0.5mm
  
• Material: Plastic
• Packaging: Plastic package

✅ Size Information

In Inches

In Centimeters