Mitsubishi Boxy 100 Ballpoint Pen

£2.99
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23 Mar. Estimated arrival
20 Mar. Order placed
21-22 Mar. Order dispatches
23 Mar. Delivered!
🚚 Order within the next 2 hours, 15 minutes for delivery by 23 Mar, 2026.
Description

Introduced in the late 1970s, the Mitsubishi Boxy 100 Ballpoint Pen has become a quietly iconic presence in Japanese classrooms and offices. Instantly recognisable by its flat-sided barrel and unmistakable orange side button, it is a design that balances practicality with a certain mischievous charm.

Press the top button and the tip extends with a satisfying click. Press the orange side button and the mechanism releases, popping the rear button back up with surprising enthusiasm. Students have long appreciated this feature — not merely for its engineering, but for its desk-side sporting potential involving paper balls and small rolls of tape. One suspects productivity occasionally took a brief pause.

Happily, the writing performance is equally dependable. The ballpoint cartridge offers above-average smoothness for its class, dries quickly, and performs best on smooth paper. Ideal for everyday note-taking, lists, and margin annotations, it’s a pen that earns its cult reputation through both character and competence.

Clever Details That Count

  • Signature Dual-Button Mechanism: Top push to extend, orange side button to retract with a satisfyingly crisp action.

  • Quick-Drying Ballpoint Ink: Dries rapidly and works beautifully on smooth paper for clean, reliable notes.

  • Flat-Sided Barrel: Prevents rolling and offers a stable, comfortable grip.

Details

  • Dimensions: 10mm x 10mm x 120mm
  • Length Capped: 129mm
  • Line size: 0.7mm
  • Refillable: Yes
  • Materials: PP, Water-based ink
  • Country of Origin: Japan

Introduced in the late 1970s, the Mitsubishi Boxy 100 Ballpoint Pen has become a quietly iconic presence in Japanese classrooms and offices. Instantly recognisable by its flat-sided barrel and unmistakable orange side button, it is a design that balances practicality with a certain mischievous charm.

Press the top button and the tip extends with a satisfying click. Press the orange side button and the mechanism releases, popping the rear button back up with surprising enthusiasm. Students have long appreciated this feature — not merely for its engineering, but for its desk-side sporting potential involving paper balls and small rolls of tape. One suspects productivity occasionally took a brief pause.

Happily, the writing performance is equally dependable. The ballpoint cartridge offers above-average smoothness for its class, dries quickly, and performs best on smooth paper. Ideal for everyday note-taking, lists, and margin annotations, it’s a pen that earns its cult reputation through both character and competence.

Clever Details That Count

  • Signature Dual-Button Mechanism: Top push to extend, orange side button to retract with a satisfyingly crisp action.

  • Quick-Drying Ballpoint Ink: Dries rapidly and works beautifully on smooth paper for clean, reliable notes.

  • Flat-Sided Barrel: Prevents rolling and offers a stable, comfortable grip.

Details

  • Dimensions: 10mm x 10mm x 120mm
  • Length Capped: 129mm
  • Line size: 0.7mm
  • Refillable: Yes
  • Materials: PP, Water-based ink
  • Country of Origin: Japan
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Delivery & Returns

 

Orders £35+ UK Royal Mail delivery within 5 days, Monday to Friday. Free on orders over £35.  FREE
Tracked Delivery 48

Royal Mail 48, tracked. Delivery within 48 hours, Monday to Friday. Tracking number provided.

£3.99
Tracked Delivery 24

Royal Mail 24, tracked. Delivery within 24 hours, Monday to Friday. Tracking number provided.

£4.99
Next Day Delivery Delivery on the following working day on orders purchased before 12:00pm, 5 days a week. You'll receive a tracking number with updates about the progress of your order. Signature required.

£7.99

International Delivery

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