Yellow uniball one p gel pen with wire pen clip on white background
Dark blue uniball one p gel pen with wire pen clip on white background
White uniball one p gel pen with wire pen clip on white background
Four uniball one p gel pens in various colors next to office supplies on light fabric background
Four uniball one p gel pens in various colors next to office supplies on colorful desk background

Uni-Ball One P Gel Pen, 0.5 mm

$6.50
Mitsubishi

Compact, colorful, and perfectly portable, the Uni-Ball One P Pen is a pocket-sized gel pen well suited for everyday writing.

Its pastel-colored, 0.6-inch diameter barrel provides a fuller, more comfortable grip, while a sturdy wire clip keeps it securely attached to your favorite notebook or pen loop. A stabilized 0.5 mm pen tip and vibrant black pigment gel ink deliver bold, bleed-resistant lines for a smooth writing experience every time.

For a finer line, check out the 0.38 mm Uni-Ball One P Gel Pen. 

Made by:  Uni by Mitsubishi

Made in:  Japan

Specifications:

  • 4.6" x 0.6"
  • 0.5 mm nib 
  • water-based pigment gel black ink
  • compatible with Uni-Ball One UMR-05S Gel Pen Refill

Further Reading:  Uni launched in 1979 with the introduction of their rollerball pen—the first ballpoint pen to feature water-based ink and a metallic tip. Over the past 50 years, Uni has developed a full line of writing instruments, including gel pens, highlighters, and paint pens.

Uni is a brand by Mitsubishi Pencil, a heritage Japanese stationery brand founded in 1887. You can read more about the history of Mitsubishi in our blog post, Japanese Heritage Stationery Brands: A Legacy of Craftmanship and Innovation. 

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