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🖋️ Master your notes with style and precision—because multitasking never looked this good.
The uni JETSTREAM 4&1 is a premium multifunction pen combining four 0.7mm ballpoint inks (red, green, blue, black) with a 0.5mm mechanical pencil featuring high-quality Nano Dia HB lead. Its quick-drying, water- and fade-resistant ink ensures professional-grade writing, while the ergonomic grip and easy-slide color selectors make it the ultimate tool for organized, efficient note-taking and sketching.




| ASIN | B005B6GLLK |
| Additional Features | Erasable |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #14,927 in Office Products ( See Top 100 in Office Products ) #153 in Mechanical Pencils |
| Body Shape | Round |
| Brand | 三菱鉛筆 |
| Brand Name | 三菱鉛筆 |
| Closure Type | Retractable |
| Color | Blue |
| Customer Reviews | 4.6 out of 5 stars 3,429 Reviews |
| Drill Point | Fine |
| Global Trade Identification Number | 04902778131121 |
| Grip Type | Contoured |
| Hand Orientation | Ambidextrous |
| Hardness | HB |
| Included Components | Four 0.7mm Ballpoint Ink Components, One 0.5mm Mechanical Pencil Component |
| Ink Base | Oil |
| Ink Color | Black,Blue,Green,Red |
| Item Diameter | 0.5 millimeters |
| Item Dimensions | 5.8 x 0.5 x 0.7 inches |
| Item Weight | 20 g |
| Line Size | 0.5 millimeters |
| Manufacturer | Mitsubishi Pencil Company |
| Material | Acrylonitrile Butadiene Styrene |
| Material Type | Acrylonitrile Butadiene Styrene |
| Model Name | ジェットストリーム |
| Model Number | MSXE510007.8 |
| Pattern | Single Item |
| Recommended Uses For Product | Sketching, Writing |
| Style | Modern |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Multifunction Writing Instruments |
| Writing Technique | ballpoint |
A**S
There is a pencil included
We were given these pens as a gift and liked them so much we bought more! They feel nice to hold and write smoothly on the paper. There is a pencil option as well.
S**M
Jetstream 4+1 looks good, writes smoothly; would've liked softer grip, but it's fine
I thought these were 4 in 1, and some were black, blue, red, green, and some were black, blue, red, pencil. But turns out, they're 4 + 1, they have 4 pen colors, plus a pencil. Or at least this one is, which was a nice surprise. I like the barrel color, the 4 colors are all smooth like I'd expect from Jetstream, and the pencil is fine. Not sure how to refill it yet. Barrel is rubberized at the grip, but not soft. I used to have multiple pens at my desk, but any time I leave the desk, I only bring one. Got this so I could have all 4 options away from the desk. Not that cheap, but worth it for my use case. Also like that it's unlikely for somebody to take it on accident
E**T
Ink is enough to last six to eight months of daily use.
I love this pen. I have bought these for the last 8 years. They work great. Smooth writing. The bottom tends to unscrew from the top of you carry it in your pants pocket. My careful.
J**.
Ink flow too good... too fast
Bought this to replace a Pilot Dr. Grip 4+1. Pros - 1. better price 2. Uni Jetstream uses black smooth rubber grip vs clear rubber grip on the Dr. Grip that turns yellow over time and collects skin oils under it that are visible through the clear rubber - gross, also I keep good pens a long time, so gets even grosser. 3. Uni Jet black plastic is solid satin molded that will probably always look nicely black vs. Dr. Grip is laminated plastic that chips and scrapes and looks ugly over time especially if you carry your pen around with you in pockets/purses (example, my blue Dr. Grip is all speckled blue and silver now; a silver one turned mostly off white when outer silver coating wore out). 4. much smoother ink flow than Dr. Grip down to last drop. cons 1. much smoother ink flow that runs out way way way faster than the Dr. Grip ink. This is the big problem for me - the ink is nice and smooth but I went through one refill in a fraction of the time I go through a Pilot Dr. Grip pen refill. I have used Dr. Grip pens for years exclusively and need ink to last a reasonable amount of time. But want a better alternate to the ugly wear and tear of Dr. Grips. Solution! Pilot refills are longer stems than the Uni refills, but same (or nearly same) diameter/width. SO I took a Pilot refill, snipped it to shorter length of the Uni refill (and didn't compromise any ink), snapped it in, and good to go. Best of both, let's see how this works out.
L**E
Fantatsic pen
I love the Uni Jestream pens! They're sized well, have lots of features and look professional. This is important because if you need a 4-color pen you don't want to look like a junior-high kid bringing his pen to school. I'm a software engineer and it's handy to have all of these colors because I can write code notes in the same colors as my development environment, making things easier to read and this pen doesn't make me look unprofessional. Also, the .7mm refills are compatible with the 5mm refills, so this particular pen comes with .7mm which I swapped with my .5mm pen which I prefer those sizes with each pen, so that's convenient for me.
K**S
Mechanically sound
New favorite pen
A**R
No leaking, No smearing (i am lefthand writer) I love this pen....functions beyond my expectations.
Such an improvement from the old Bic multi-colored pens of the past. Sharp colors, easy glide onto the paper, good looking, great for my day planner & notetaking, NO ink leaking through paper, EASY to move from one color to the next, comes in many nice exterior colors, it has a pencil op too which I have been using more than I expected..... I love this pen and it went beyond my expectations. It also DOES NOT SMEAR when I write and that is saying a lot as I am a left-hand writer and for those of you who are one/know one, this is a big deal. Another plus is that you can buy refills so the footprint is less wasteful. However, just like with anything, longevity is going to depend on how you treat your material possessions. It is not that you have to be delicate with it but do remember it's not meant to be ever-lasting. Treat it with respect & care and I am guessing it will last longer. Lastly, it is important not to compare this to a single colored pen. There are better writing tools for that. Remember the extraordinary capability of this particular pen is that THIS pen has 4 colors & pencil in one, so it belongs in its own category. If you judge by this, you may find yourself with the best of the bunch. By the way, I am a legit user, this is not a fake review, and now come to think of it...the company should really hire me. Lol. ps. I have only owned this pen a few days so if I get around to it I will try to do a follow up later this year.
J**.
Smooth smooth smooth
Best pen ever
M**I
Nessuna
La scrittura e la maneggevolezza!
A**R
Recommended
Versatile in a neat package. A good alternative to the bic
J**3
Cómodo funcional y sobre todo duradero
Compé el bolígrafo por su versatilidad ya que dispones de portaminas y de 3 colores (rojo azul y negro) cuando realizas el cambio de uno a otro nunca se atasca y al escribir es muy cómodo. En cuanto al precio uno de los más competitivos 8.60€ lo que los bolígrafos de esta clase no bajan de los 16€ como poco Un auténtico acierto
J**N
Geweldig
Geweldige pen, schrijft heerlijk
C**B
Dyr men bra
Mycket bra
Trustpilot
2 weeks ago
3 days ago