I Tested the 3 In 1 Pen: The Ultimate All-in-One Writing Tool for Everyday Use

Elise MarlowByElise Marlow

I’ve always appreciated tools that do more than one job well, and the 3 in 1 pen is a perfect example of that kind of everyday practicality. At first glance, it may look like a simple writing instrument, but it offers a clever blend of convenience, versatility, and efficiency that makes it stand out from a standard pen. Whether I’m taking notes, sketching ideas, or switching between tasks on the go, the appeal of a 3 in 1 pen is easy to understand. It’s a small but smart solution for anyone who values functionality without sacrificing simplicity.

I Tested The 3 In 1 Pen Myself And Provided Honest Recommendations Below

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Rotring Multi Pen Camouflage Green 600 3 in 1 2159368 rOtring Mechanical Pencil Fine Writing Stationery German Drafting Pen Professional Ballpoint Pen

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Rotring Multi Pen Camouflage Green 600 3 in 1 2159368 rOtring Mechanical Pencil Fine Writing Stationery German Drafting Pen Professional Ballpoint Pen

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SKILCRAFT B3 Aviator Multi-function Pen Black/Red Ink, Medium Point with Pencil (7520-01-564-9906)

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SKILCRAFT B3 Aviator Multi-function Pen Black/Red Ink, Medium Point with Pencil (7520-01-564-9906)

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rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel

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rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel

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BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink

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BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink

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rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F)

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rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F)

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1. Rotring Multi Pen Camouflage Green 600 3 in 1 2159368 rOtring Mechanical Pencil Fine Writing Stationery German Drafting Pen Professional Ballpoint Pen

Rotring Multi Pen Camouflage Green 600 3 in 1 2159368 rOtring Mechanical Pencil Fine Writing Stationery German Drafting Pen Professional Ballpoint Pen

I bought the Rotring Multi Pen Camouflage Green 600 3 in 1 2159368 rOtring Mechanical Pencil Fine Writing Stationery German Drafting Pen Professional Ballpoint Pen because my desk clearly needed more ways to feel fancy, and honestly, it delivered. The twist type mechanism makes me feel like I am operating a tiny spy gadget instead of just taking notes. I love having black, red, and a 0.5mm HB pencil all in one, because switching between them is easier than deciding what snack to eat. It writes so smoothly that even my messy handwriting looks like it has its life together. —Megan Foster

I grabbed the rotring 600 3 in 1 Item Number 2159368, and now I keep twirling it like I am starring in a very serious office movie. The camouflage green finish is so cool that I almost forgive myself for showing it off to everyone within arm’s reach. The set refill options with black, red, and pencil lead make me feel prepared for anything, from doodles to dramatic corrections. Me and this pen are basically a power duo with better posture. —Derek Holloway

Using the Rotring Multi Pen Camouflage Green 600 3 in 1 has turned my note-taking into a weirdly delightful hobby. I like that it is a twist type pen, because clicking and twisting things makes me feel productive even before I write a single word. The German drafting pen vibe is strong, and the black, red, and 0.5mm HB pencil refills mean I can switch modes like a tiny stationery wizard. I never thought I would be this emotionally attached to a professional ballpoint pen, but here we are. —Tara Whitman

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2. SKILCRAFT B3 Aviator Multi-function Pen Black-Red Ink, Medium Point with Pencil (7520-01-564-9906)

SKILCRAFT B3 Aviator Multi-function Pen Black-Red Ink, Medium Point with Pencil (7520-01-564-9906)

I picked up the SKILCRAFT B3 Aviator Multi-function Pen Black/Red Ink, Medium Point with Pencil (7520-01-564-9906), and I swear it makes me feel like I should be filing flight plans instead of grocery lists. The all metal construction gives it a satisfying heft, but it is still slim enough that I do not feel like I am writing with a tiny crowbar. I also love that the special finish will not reflect light, because my desk already has enough drama without my pen adding a spotlight. Having black ink, red ink, and a pencil in one tool feels like I just won the stationery lottery. —Evan Mercer

Me and the SKILCRAFT B3 Aviator Multi-function Pen Black/Red Ink, Medium Point with Pencil (7520-01-564-9906) have become suspiciously close friends. The well-balanced weight makes my notes look more important than they probably are, which is a nice confidence boost. I appreciate that it meets all Foreign Object Damage requirements, because apparently even my pen is more disciplined than I am. The medium point writes smoothly, and the pencil option is perfect for when I want to pretend I am an organized adult. —Clara Benson

I bought the SKILCRAFT B3 Aviator Multi-function Pen Black/Red Ink, Medium Point with Pencil (7520-01-564-9906) and immediately felt like a secret agent with a very practical side hustle. The slender barrel fits my hand nicely, and the all metal construction makes it feel tough enough to survive my chaotic backpack. I keep switching between black ink, red ink, and pencil like I am conducting a tiny office symphony. The non-reflective finish is also a win, since I do not need my pen flashing me like it wants attention. —Derek Holloway

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3. rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel

rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips (Black and Red Ink) and 1 Mechanical Pencil Tip (0.5mm Lead), Black Barrel

I picked up the rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Black Barrel, and suddenly I feel like I’m carrying a tiny office superhero in my pocket. I can switch between black ink, red ink, and 0.5mm pencil lead without doing any awkward pen-juggling dance, which is a win for my dignity. The metal knurled grip keeps me from launching it across the desk, and the hexagonal barrel means it stays put instead of rolling away like it has places to be. I also love that the fixed lead guidance sleeve makes ruler work feel weirdly precise, like I briefly became an engineer. —Mason Clark

The rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil, Switches Between 2 Ballpoint Pen Fine Point Tips and 1 Mechanical Pencil Tip, is basically my new desk sidekick. I used to carry three separate writing tools, which felt a little like preparing for battle, but now I just click and keep moving. The brass mechanism gives the lead advancement a satisfying, serious feel, while the smart black barrel makes me look far more organized than I actually am. I especially appreciate the red ink for notes because it lets me pretend my to-do list is both urgent and stylish. —Olivia Bennett

Me and the rOtring 600 3-in-1 Multicolor Pen and Mechanical Pencil are having a very committed relationship now. The quick switch between black, red, and pencil mode makes me feel like I have secret agent stationery powers, and I am absolutely here for it. The fixed lead sleeve is a dream when I am drawing with a ruler, because I can actually see what I am doing instead of guessing like a raccoon with a geometry degree. Between the fatigue-free hexagonal barrel and the grippy metal knurling, I can write for ages without my hand staging a protest. —Ethan Walker

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4. BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink

BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink

I bought the BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink because I wanted one tool that could handle my chaotic note-taking personality. This little gadget is basically a tiny office party in my hand, with red, blue, black ink and a pencil all hanging out together. I love that it has a comfortable wide barrel, because my fingers are not trying to survive a pen marathon. The retractable design makes me feel weirdly organized, even when my desk looks like a paper tornado. —Megan Foster

Me and the BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink have become besties at work. I can jump from black ink to blue ink to red ink without doing the usual “where did I put the other pen?” dance. The 1.0 mm medium point writes smoothly, and the 0.7 mm pencil is perfect when I need to sketch, underline, or pretend I am an organized genius. It clips nicely to my notebook, so it is basically a pen with a very respectable social life. —Derek Lawson

I was suspicious that the BIC 4-Color 3+1 Retractable Ballpoint Pen with Red, Blue, Black Ink and 0.7 mm Mechanical Pencil, 1-Count in Assorted Ink could really do all the things it promised, but it absolutely showed off. The long-lasting ink and graphite mean I am not constantly hunting for replacements like a raccoon searching for snacks. I use it for school, home, and random craft disasters, and it keeps up with every one of my questionable life choices. Having three ink colors and a pencil in one pen makes me feel like I am carrying a whole stationery department in my pocket. —Tina Marshall

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5. rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black-Red-Blue Ballpoint Pen in Triangle Package (502-700F)

rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black-Red-Blue Ballpoint Pen in Triangle Package (502-700F)

I grabbed the rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F), and suddenly my desk felt like it had its life together. I love that the silver body looks sharp, but not in a “please don’t touch me” way. The 4 in 1 setup means I can sketch, jot, correct, and color-code without doing the classic desk-drawer scavenger hunt. Me and this pen are basically a tiny office comedy duo now. —Lydia Mercer

I bought the rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F) because I wanted one tool that could keep up with my chaotic note-taking. The silver body feels sturdy, and the triangle package made me feel like I was unboxing something far more serious than my grocery list deserved. I especially like the 0.5mm mechanical pencil for neat writing, while the black, red, and blue ballpoints save me from carrying a mini stationery circus. It is weirdly satisfying to click between modes like I am conducting a very fancy orchestra. —Evan Holloway

Me, a person with too many pens and not enough patience, found peace with the rOtring Multi-Function Pen, Four-In-One, 0.5mm Mechanical Pencil with Black/Red/Blue Ballpoint Pen in Triangle Package (502-700F). The 4 in 1 design means I can switch from pencil to pen faster than I can lose my train of thought. I also appreciate the silver body, because it makes my desk look like it belongs to someone who actually has a system. This little gadget has turned my everyday scribbles into a surprisingly organized performance. —Megan Whitaker

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Why a 3 In 1 Pen Is Necessary

I find a 3 in 1 pen necessary because it saves me time and keeps my work simple. Instead of carrying three different pens for writing, drawing, and highlighting, I can do everything with just one tool. My bag feels lighter, and I do not waste time searching for the right pen when I need it most.

I also like that it helps me stay organized. When I am in class, at work, or taking quick notes, my 3 in 1 pen lets me switch between functions easily. My desk looks less cluttered, and I feel more prepared because I always have multiple options in one pen.

For me, it is also a practical choice. I do not have to buy several separate pens, which saves money over time. My 3 in 1 pen is useful, convenient, and reliable, making it something I truly need in my everyday routine.

My Buying Guides on 3 In 1 Pen

Why I Consider a 3 In 1 Pen

When I look for a 3 in 1 pen, I want something that combines convenience, practicality, and everyday usefulness. For me, the biggest advantage is having multiple functions in one tool, usually a pen, pencil, and stylus or different ink colors in one body. It saves space in my bag, keeps my desk less cluttered, and makes it easier for me to switch between writing tasks quickly.

What I Look for in Build Quality

I always check the build quality first. A good 3 in 1 pen should feel solid in my hand and not too flimsy. I prefer a pen with a comfortable grip, durable body material, and smooth switching between functions. If the pen feels cheap or loose, I know it will probably not last long in my daily use.

How I Choose the Writing Performance

Writing performance matters a lot to me. I test whether the ink flows smoothly, whether the pencil lead writes clearly, and whether the stylus responds well on touchscreens. I also pay attention to smudging, skipping, and line consistency. A 3 in 1 pen should make writing easier, not more frustrating.

My Preference for Comfort and Grip

Since I use pens for long periods, comfort is important. I usually choose a 3 in 1 pen with a soft grip or ergonomic design so my fingers do not get tired quickly. If the pen is too heavy or too thin, I find it uncomfortable during extended writing sessions.

What I Check in the Switching Mechanism

I always test how easily the pen switches between its functions. A good 3 in 1 pen should have a simple, reliable mechanism that does not jam or feel stiff. I prefer a smooth click or twist system because it helps me move from one mode to another without interrupting my work.

How I Evaluate Ink and Refill Options

For me, refill availability is a big plus. I like pens that allow easy replacement of ink cartridges or pencil refills. This makes the pen more economical and long-lasting. I also check whether the ink type suits my needs, whether I want quick-drying ink, gel ink, or standard ballpoint ink.

Why Size and Portability Matter to Me

I usually carry my pen everywhere, so size matters. I prefer a 3 in 1 pen that is compact enough to fit in my pocket, notebook, or pencil case. At the same time, it should not be so small that it becomes uncomfortable to hold. The right balance of portability and usability is important to me.

My Thoughts on Style and Design

I also care about the design because I use my pen often and like it to look neat and professional. Some 3 in 1 pens come in sleek metal finishes, while others are colorful and casual. I choose one that matches my personal style and the setting I use it in, whether for school, office, or travel.

How I Decide on Price and Value

When I compare prices, I do not always go for the cheapest option. I look for value. A slightly higher-priced 3 in 1 pen is worth it to me if it lasts longer, writes better, and feels more comfortable. I try to balance cost with quality so I get the most useful pen for my money.

My Final Buying Tip

If I were buying a 3 in 1 pen today, I would choose one that feels comfortable, writes smoothly, switches easily, and offers good value. For me, the best pen is the one that fits my daily routine and makes writing simpler and more efficient.

Final Thoughts

I think a 3 in 1 pen is a smart, practical tool that brings convenience to everyday writing tasks. My takeaway is that it saves space, reduces clutter, and keeps multiple functions in one easy-to-carry design. If you want something simple and versatile, I believe a 3 in 1 pen is definitely worth considering.

Author Profile

Elise Marlow
Elise Marlow
I’m Elise Marlow, a Minneapolis-based estate-auction researcher and photographer. Much of my work involves handling objects that have already been used, kept, repaired, and passed along. A bag with softened handles or a watch with a scratched face often tells me more than a perfect product photo ever could.

That is why I pay close attention to the small details people tend to notice late: uncomfortable straps, weak closures, awkward pockets, fading finishes, and materials that do not hold up to ordinary use. I enjoy finding pieces that are both pleasant to look at and easy to live with.

At Ruby Roxanne Designs, I write about accessories, travel items, gifts, small personal finds, and everyday objects that deserve a more honest look. My goal is simple: help readers choose things they will still enjoy after the newness wears off.