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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Description

🖋️ Write sharp, write smooth — own every line with Jetstream EDGE!

MADE IN USA QUALITY - Crafted with precision and reliability, designed for the discerning professional.
JETSTREAM SMOOTHNESS - Glide effortlessly on paper with Uni’s signature oil-based ink for a silky, smudge-free finish.
ULTRA FINE PRECISION - Experience flawless detail with a 0.38mm tip that elevates your writing clarity.
DUAL TONE VERSATILITY - Switch between black and red ink seamlessly to organize notes like a pro.
ECO SMART REFILL SYSTEM - Sustain your style with easy-to-replace SXR-203-28 refills, reducing waste and cost.

The Uni Jetstream EDGE SXN100338BK15 is a premium 0.38mm oil-based ballpoint pen featuring Uni’s signature Jetstream ink technology for ultra-smooth, precise writing. It comes in black and red ink options and supports refill model SXR-203-28, combining professional-grade quality with eco-conscious refillability. Made in the USA, it’s designed for professionals who demand clarity and style in every stroke.

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