Does this pen turn the side of the left hand black when a left handed writer uses it?

I am left handed and love it. I write normally and not with my arm bent like some left handed people do!

will this write on transparent sticky notes?

I did not have a transparent note to test this pen on but I did try a sticky shipping label and it wrote on that but it did need a second to dry without smearing. I also tried a sticky tab I use for making notes in a book and the results were not very good

Will this ink bleed/run if water drips onto the page?

I had some notes written on a notepad and some condensation from water bottle dropped and ink did not run or spread

will this pen take other uni refills if I prefer 0.38mm for instance?

No. However Uni did make a 0.38 version of this pen in Japan and those refills should be more widely available soon. The 0.38 version only recently came out with different color schemes

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Uni Jetstream EDGE 0.28mm Oil-based Ballpoint Pen, White Red Body (SXN100328W.15), Black

Uni Jetstream EDGE 0.28mm Oil-based Ballpoint Pen, White Red Body (SXN100328W.15), Black

Product ID: 242420346

Details

Age range (description)
Adult
Brand
uni
Colour
White
Ink colour
Black
Material
Brass
Model name
Jetstream EDGE

⚡Quick-drying low-viscosity Jetstream ink

🖊️0.28mm ultra-fine ball diameter

🇯🇵Precision-engineered in Japan

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$27.97

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Description

🖋️ Write sharp, write smart — the pen that means business.

ERGONOMIC STYLISH DESIGN - Sleek white-red body with a rubberized grip offers both comfort and a sharp, minimalist aesthetic that stands out in any meeting.
SMOOTH FAST DRYING INK FLOW - Jetstream's low-viscosity oil-based ink ensures silky smooth writing with virtually no smudging—ideal for busy professionals.
RELIABLE JAPANESE CRAFTSMANSHIP - Made in Japan with premium brass materials, guaranteeing durability and consistent performance every time you write.
PERFECT FOR LEFT RIGHT HANDED USERS - Retractable design and balanced weight make it a versatile tool for all writing styles and preferences.
WORLDS SMALLEST OIL BASED BALLPOINT TIP - Experience unmatched precision with the 0.28mm ultra-fine tip, perfect for detailed notes and fine print.

The Uni Jetstream EDGE 0.28mm ballpoint pen redefines precision with the world's smallest oil-based ball diameter, delivering ultra-fine, smooth lines using quick-drying Jetstream ink. Crafted in Japan with a sleek, ergonomic design, this pen is engineered for professionals who demand clarity, speed, and style in every stroke.

Specifications

ASIN	B082ZXNTRL
Age Range Description	Adult
Best Sellers Rank	11,666 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 160 in Retractable Ballpoint Pens
Body Shape	Cylindrical
Brand Name	uni
Closure Type	Retractable
Colour	White
Country Of Origin	Japan
Customer Reviews	4.2 4.2 out of 5 stars (2,094)
Drill Point	Fine
Grip Type	Rubberized/Foam
Ink Base	Oil
Ink Colour	Black
Is the Product Left or Right Handed?	Right
Item Diameter	11 Millimetres
Item Dimensions	12 x 11 x 143 millimetres
Item Weight	13 g
Line Size	0.3mm
Manufacturer	Uni
Material Type	Brass
Model Name	Jetstream EDGE
Model Number	SXN100328W.15
Pattern	single item
Recommended Uses For Product	Writing
Special Features	Quick Drying
Style	Minimalist
Unit Count	1.0 count
Writing Instrument Form	Ballpoint Pen

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