What refill can I use?

You can use Jetstream Edge refills or Jetstream Multi refills. I don’t buy them on Amazon. Not sure if I can say this but I buy them from Tokyo Pen Shop online

How do I replace the ink pens

Pull from the grip down, without twisting to expose the cartridges, then pull the cartridge you want to replace out.

How can I get the .38mm refills for this and will they fit in this pen?

Uni SXR-80-38 fits this pen and is in the 0.38mm size (hence the “38” at the end).

Is there a way to tell which tip you are selecting?

only if the refill is the .28 - the .38 & .5 refills look alike but write differently

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Uni Jetstream EDGE 0.38mm Oil-based Ballpoint Pen, Black Red Body (SXN100338BK15)

Product ID: 424127693

Details

Age range (description)
Adult
Brand
uni
Colour
Blue Red Black
Ink colour
Black
Item dimensions L x W x H
12 x 11 x 143
Material
Metal Plastic

🔄Refillable with SXR-203-28 cartridges

🖤Smooth hybrid oil-based ink

🖊️0.38mm ultra-fine tip

R774

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Write Sharp, Stay Ahead: The Pen That Means Business

EFFORTLESS SMOOTHNESS - Jetstream hybrid ink glides seamlessly, reducing hand fatigue during long note-taking or brainstorming sessions.
SLEEK DURABLE DESIGN - Metal grip and clip combine style with resilience—built to survive your busiest days and accidental drops.
ECO SAVVY REFILL SYSTEM - Easily replace ink cartridges to keep your pen performing like new—sustainability meets sophistication.
CUSTOMIZABLE COLOR VIBES - Choose from four vibrant shaft colors to match your personal brand and workspace aesthetic.
PRECISION IN EVERY STROKE - Ultra-fine 0.38mm tip delivers crisp, legible writing for professionals who demand clarity.

The Uni Jetstream EDGE 0.38mm is a premium oil-based ballpoint pen featuring an ultra-fine tip for precise writing, smooth hybrid ink for effortless flow, and a stylish, durable body with a metal grip and clip. Designed for professionals, it offers refillable convenience and multiple color options, making it the ultimate tool for clear, confident communication.

Specifications

ASIN	B08WPQ9NZQ
Age Range Description	Adult
Animal Theme	no animal theme
Best Sellers Rank	189,538 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 2,729 in Retractable Ballpoint Pens
Body Shape	Cylindrical
Brand Name	uni
Closure Type	Click-Off Cap
Colour	Blue,Red,Black
Customer Reviews	4.3 4.3 out of 5 stars (631)
Drill Point	Fine
Grip Type	Knurled
Included Components	Refill
Ink Base	Hybrid
Ink Colour	Black
Is the Product Left or Right Handed?	Ambidextrous
Item Diameter	0.38 Millimetres
Item Dimensions	12 x 11 x 143 millimetres
Line Size	0.38mm
Manufacturer	Uni
Material Type	Metal, Plastic
Model Name	SXN100338BK15
Model Number	SXN100338BK15
Recommended Uses For Product	Writing
Special Features	Refillable
Style	Modern
Water Resistance Level	Not Water Resistant
Writing Instrument Form	Ballpoint Pen

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R774

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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