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uni JETSTREAM 4&1 Red, Green, Blue, and Black 0.7mm Ballpoint Multi Pen and 0.5mm Mechanical Pencil (Black)

uni JETSTREAM 4&1 Red, Green, Blue, and Black 0.7mm Ballpoint Multi Pen and 0.5mm Mechanical Pencil (Black)

Q: Is this pen metal or plastic?

the bottom of the pen including inside of the rubber sleeve is metal, and the top part of the pen is plastic. So the bottom to about 3 times heavier then the top of the pen.

Q: How do you refill the lead? I tried the way they said in one of the reviews and it didn't work. If pull off the end of the pen, please say which

I just checked my pen and here's how you add pencil lead: Unscrew and remove the front of the pen (the grip section). Look closely at the pencil part's metal sleeve and you'll see that about 1/2″ down from the pen body, there's a spot where the lower part of the metal pencil sleeve slides over the upper part. Pull the bottom part of the metal pencil sleeve off. Add lead to the upper part of the metal sleeve, then replace the lower part by slipping it back into place. Hope this helps!!

Q: Can I use gel ink refills instead of the regular ink refills? And how fine is the tip? Can that be changed by utilizing different size refills?

The tip is .7mm. Unit makes this pen with all types of different tip sizes, but I don't know about gel refills. The refills for the Signo multi may work, but I have not had a chance to try them yet. I don't want to waste 6 bucks on the experiment. Jet Pens carries a much larger line up of pens. Prices and availability are odd on Amazon because these pens are made for the Japanese market and not too many companies import them. https://www.jetpens.com/Uni-Jetstream-Multi-Pens/ct/858

Q: Is the Barrel solid black? Is there a silver logo halfway through the pen? The one on the youtube reviews look different from the picture

My pen is solid black at the rubber grip and the barrel. There is a silver ring between them as shown in the picture. There is no logo on the barrel, but it says uni JETSTREAM on the clip.

Product ID: 1951068

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Details

Brand
三菱鉛筆
Writing Instrument Form
Multifunction
Color
Black
Ink Color
Black Blue Red
Age Range (Description)
Adult

💧Quick-dry, water & fade resistant ink

✏️0.5mm Nano Dia mechanical pencil

🖊️4 vibrant 0.7mm ink colors

Description

🖋️ Master your notes with color and precision—because multitasking never looked this sharp!

INK THAT KEEPS UP - Waterproof, fade-resistant, and quick-drying ink ensures your notes stay flawless and forgery-proof.
ALL IN ONE POWERHOUSE - Switch effortlessly between red, green, blue, black ink and a precision pencil—no more cluttered desks.
COMPACT LIGHTWEIGHT - Sleek 5.8-inch design fits perfectly in your pocket or planner—professionalism on the go.
NANO DIA LEAD PRECISION - Experience ultra-sharp, smooth writing with high-quality 0.5mm HB lead that’s easy to erase.
ERGONOMIC GRIP MAXIMUM CONTROL - Advanced responsive grip designed for long meetings and marathon brainstorming sessions without fatigue.

The uni JETSTREAM 4&1 is a sleek multifunction pen combining four 0.7mm ballpoint inks (red, green, blue, black) with a 0.5mm mechanical pencil featuring Nano Dia HB lead. Its quick-drying, water and fade-resistant ink ensures durability, while the ergonomic grip offers superior control. Perfect for professionals seeking a clutter-free, versatile writing tool.

Specifications

Manufacturer	Mitsubishi Pencil Company
Brand	三菱鉛筆
Item Weight	0.317 ounces
Product Dimensions	5.8 x 0.5 x 0.7 inches
Item model number	MSXE510007.24
Is Discontinued By Manufacturer	No
Color	Black
Closure	Twist
Grip Type	Smooth
Pencil Lead Degree (Hardness)	HB
Material Type	Acrylonitrile Butadiene Styrene, 樹脂, 真鍮
Number of Items	1
Size	1 Count (Pack of 1)
Point Type	Medium, Extra Fine
Line Size	0.7mm and 0.5mm
Ink Color	Black,Blue,Green,Red
Manufacturer Part Number	MSXE510007.24

Have a Question? See What Others Asked

Is this pen metal or plastic?

How do you refill the lead? I tried the way they said in one of the reviews and it didn't work. If pull off the end of the pen, please say which

Can I use gel ink refills instead of the regular ink refills? And how fine is the tip? Can that be changed by utilizing different size refills?

Is the Barrel solid black? Is there a silver logo halfway through the pen? The one on the youtube reviews look different from the picture

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