I love the design but i will definitely replace with 0.7 or 1.0 tip. can i use refill (0.7 and 1.0) "uni-ball jetstream rt ballpoint pen refills"?

You cannot. This refill is smaller. The 0.7 and 1.0 refills that fit this pen are the Uni SXR-80-07 and the Uni SXR-80-10 and you can find them in black, blue, green and red.

Anyone know if this pen can be refilled with a better quality ink? I like the body but the actual ink/refill is not good. Please list refill options.

Search for compatible refills on sites like Jet Pens

Is the 0.28 refill the only one this pen takes?

it appears to me that any skinny barrel type refill will fit

will this oil-based pen work well with thin paper? Tomeo River paper?

This pen works great on Tomoe River paper. It is very smooth writing.

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Uni Jetstream EDGE 0.28mm Oil-based Ballpoint Pen, Navy Body (SXN100328.9)

Uni Jetstream EDGE 0.28mm Oil-based Ballpoint Pen, Navy Body (SXN100328.9)

Product ID: 206173923

Details

Age Range (Description)
Kid Teen Adult
Brand
uni
Color
Black Blue
Ink Color
Black Blue Red
Writing Instrument Form
Ballpoint Pen

⚡Quick-drying low-viscosity Jetstream Ink

♻️Refillable with SXR-203-28 cartridges

🖊️0.28mm ultra-fine ball diameter

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€ 20.25

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Write sharp, write smart—own the edge in every line.

VERSATILE INK COLORS - Available in black, blue, and red to match every professional mood and task.
REFILLABLE ECO FRIENDLY - Keep your pen going strong with easy-to-replace cartridges—sustainability meets convenience.
SLEEK NAVY BODY WITH METAL GRIP - Designed for professionals who demand style and stability in every stroke.
SMOOTH FAST DRYING JETSTREAM INK - Say goodbye to smudges and hello to seamless writing with ink that dries in a flash.
WORLDS SMALLEST OIL BASED BALLPOINT TIP - Experience precision like never before with the ultra-fine 0.28mm tip—perfect for detailed notes and fine print.

The Uni Jetstream EDGE 0.28mm is the world’s first ultra-fine oil-based ballpoint pen, featuring a precision 0.28mm tip and quick-drying Jetstream Ink for smooth, smudge-free writing. Its sleek navy body with a metal grip offers both style and stability, while refillable cartridges ensure long-lasting use. Ideal for professionals who demand clarity and finesse in every word.

Specifications

ASIN	B082ZXW98M
Additional Features	Refillable
Age Range Description	Kid, Teen, Adult
Best Sellers Rank	#49,612 in Office Products ( See Top 100 in Office Products ) #1,275 in Ballpoint Pens
Body Shape	Round
Brand Name	uni
Color	Black,Blue
Customer Reviews	4.4 4.4 out of 5 stars (1,149)
Drill Point	Fine
Grip Type	Metal
Included Components	Ink Cartridge
Ink Base	Hybrid
Ink Color	Black,Blue,Red
Item Diameter	11 Millimeters
Item Dimensions	0.47 x 0.43 x 5.63 inches
Item Weight	19.96 g
Line Size	0.28 Millimeters
Manufacturer	Uni
Material Type	Plastic
Model Name	ジェットストリームエッジ
Model Number	SXN100328.9
Pattern	single item
Unit Count	1 Count
Writing Instrument Form	Ballpoint Pen

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