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.

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!!

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

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.

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

Product ID: 1951068

Details

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

💧Quick-dry, water & fade resistant ink

✏️0.5mm Nano Dia mechanical pencil

🖊️4 vibrant 0.7mm ink colors

S$15

Duties & taxes included

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Description

🖋️ Master your notes in color and style—because multitasking never looked this sharp!

ALL IN ONE PRECISION - Switch seamlessly between red, green, blue, black ink and a sharp mechanical pencil—ultimate multitasking in your hand.
NANO DIA LEAD TECHNOLOGY - Experience ultra-smooth, erasable writing with high-quality 0.5mm HB lead engineered for crisp lines and durability.
ERGONOMIC GRIP FOR CONTROL - Designed with a responsive, smooth grip that adapts to your touch for fatigue-free writing during long work sessions.
SLEEK CLUTTER FREE DESIGN - Ditch the pen cup chaos—this compact multi pen/pencil combo keeps your desk and bag effortlessly organized.
FADE FORGERY RESISTANT INK - Protect your notes and signatures with quick-drying, water-resistant ink that stands the test of time and scrutiny.

The uni JETSTREAM 4&1 combines four vivid 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 sleek, all-in-one writing tool that enhances productivity and organization.

Specifications

ASIN	B002CKJ4VC
Age Range Description	Adult
Best Sellers Rank	#19,031 in Office Products ( See Top 100 in Office Products ) #197 in Mechanical Pencils
Body Shape	Round
Brand Name	三菱鉛筆
Closure Type	Twist
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (3,401)
Drill Point	Medium, Extra Fine
Global Trade Identification Number	04902778043417
Grip Type	Smooth
Hardness	HB
Included Components	0.7mm Red Ink Cartridge, 0.7mm Green Ink Cartridge, 0.7mm Blue Ink Cartridge, 0.7mm Black Ink Cartridge, and 0.5mm Mechanical Pencil
Ink Base	Oil
Ink Color	Black,Blue,Green,Red
Item Diameter	0.7 Millimeters
Item Dimensions	5.8 x 0.5 x 0.7 inches
Item Weight	9 Grams
Line Size	0.7mm and 0.5mm
Manufacturer	Mitsubishi Pencil Company
Material Type	Acrylonitrile Butadiene Styrene
Model Name	ジェットストリーム
Model Number	MSXE510007.24
Pattern	Single Item
Recommended Uses For Product	Writing, Color-coding, Sketching, Drafting
Style	Contemporary
UPC	793187285048 796825073984 785525735339
Unit Count	1 Count
Water Resistance Level	Water Resistant
Writing Instrument Form	Multifunction Writing Instruments
Writing Technique	ballpoint, pencil lead

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