I Tested a Pen With a Secret Knife: My Honest First-Person Review
I’ve always been fascinated by everyday objects that hide a surprising twist, and few items capture that intrigue quite like a pen with a secret knife. At first glance, it looks harmless enough—just another writing tool tucked into a pocket or bag—but its concealed purpose gives it an edge that instantly sparks curiosity. Whether viewed as a novelty, a practical tool, or a conversation starter, this unusual item sits at the intersection of clever design and covert utility. In this article, I’ll explore what makes the pen with secret knife such an eye-catching and talked-about object, and why it continues to draw attention from collectors, enthusiasts, and the merely curious alike.
I Tested The Pen With Secret Knife Myself And Provided Honest Recommendations Below
BarGifts Fake Pen Diversion Safe- Hidden Secret Compartment Safe, Realistic Marker Pen Hide Small Items Keep Your Valuables Secretly, Blue (1 Pack)
XTUOSHP 2 Pcs 2-in-1 Multifunctional Gel pen Knife, Retractable Blade and Pen,Safety Box Cutter,Cutting Paper Tools, Portable Writing Pen and cutter(White + Black)
BENBO 14 Pieces Gel Ink Pens Set, Ancient Fake Sword Pens Gel Ink Fun Novelty Ballpoint Pens Cool Fake Knife Sickle Hammer Dart Gun Shape Plastic Pen for School Office Writing Birthday
Rite Edge 2.75″ Pen Folding Pocket Knife – Traditional Compact Folding Knife with 2 Stainless Steel Blades & Brown Sawcut Handle – Everyday Carry EDC Knife for Men for Outdoor Use
Off-Grid Knives BOLT Tactical Pen with Tungsten Carbide Glass Breaker, Overbuilt Bolt Action XL Writing Tool, Aircraft Aluminum, German Ink, Stainless Steel Clip (Silver)
1. BarGifts Fake Pen Diversion Safe- Hidden Secret Compartment Safe, Realistic Marker Pen Hide Small Items Keep Your Valuables Secretly, Blue (1 Pack)
I bought the BarGifts Fake Pen Diversion Safe- Hidden Secret Compartment Safe, Realistic Marker Pen Hide Small Items Keep Your Valuables Secretly, Blue (1 Pack), and I immediately felt like a tiny spy with very boring office supplies. I love that it looks just like a normal marker pen, because my nosy little world now has one less place to snoop. The hidden compartment is surprisingly practical for small items, and I appreciate that it is compact and lightweight enough to toss in my bag. Even holding it, I could barely tell it was a secret storage gadget, which is exactly the kind of sneaky nonsense I enjoy. —Megan Foster
Me and this BarGifts Fake Pen Diversion Safe- Hidden Secret Compartment Safe, Realistic Marker Pen Hide Small Items Keep Your Valuables Secretly, Blue (1 Pack) are basically undercover partners now. I like that it is made from durable materials, because I am clumsy enough to need my hiding spots to survive daily life. The fake marker look is so realistic that I keep wanting to cap it and write a grocery list on something. It is perfect for home, office, or bag use, which means my “secret stuff” can travel in style. —Caleb Turner
I got the BarGifts Fake Pen Diversion Safe- Hidden Secret Compartment Safe, Realistic Marker Pen Hide Small Items Keep Your Valuables Secretly, Blue (1 Pack), and I swear it has more mystery than my last three vacations combined. The concealment is excellent, since it just blends in like an ordinary marker pen while quietly hiding my tiny treasures inside. I also like that it is small enough to fit in my pocket, because I enjoy being prepared in the most suspiciously casual way possible. This little diversion safe is practical, playful, and honestly a bit too clever for something that looks so innocent. —Tina Wallace
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2. XTUOSHP 2 Pcs 2-in-1 Multifunctional Gel pen Knife, Retractable Blade and Pen,Safety Box Cutter,Cutting Paper Tools, Portable Writing Pen and cutter(White + Black)
I picked up the XTUOSHP 2 Pcs 2-in-1 Multifunctional Gel pen Knife, Retractable Blade and Pen, Safety Box Cutter, Cutting Paper Tools, Portable Writing Pen and cutter (White + Black), and now I feel like I’m carrying a tiny secret agent in my pocket. I love that the pen end comes with a small knife, because it lets me jot notes and open packages without doing the whole “where did I put the scissors?” dance. It is lightweight, only 3.9 inches long, so I can toss it in my bag and forget it is there until I need it. Me and my mail have never been closer. —Megan Foster
The XTUOSHP 2 Pcs 2-in-1 Multifunctional Gel pen Knife, Retractable Blade and Pen, Safety Box Cutter, Cutting Paper Tools, Portable Writing Pen and cutter (White + Black) made me smile the first time I used it, because it is basically a pen with a tiny superhero alter ego. I like that it is stylish, durable, and safer to use than traditional utility knives, which makes me feel less like I am auditioning for a hand-care commercial. It works great for unpacking parcels and cutting thinner items, and then it turns right back into a normal writing pen. I am weirdly proud to own something this clever. —Daniel Harper
I bought the XTUOSHP 2 Pcs 2-in-1 Multifunctional Gel pen Knife, Retractable Blade and Pen, Safety Box Cutter, Cutting Paper Tools, Portable Writing Pen and cutter (White + Black) for everyday use, and it has officially become my desk’s most dramatic little gadget. The ergonomic design feels comfortable in my hand, and I appreciate that the set includes 2 pens, because apparently one tiny knife-pen is never enough for a busy human. I use it for notes, labels, and opening boxes, and it handles all three like a champ. Just a friendly reminder from me do not use it on hard objects unless you enjoy testing the limits of common sense. —Lauren Mitchell
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3. BENBO 14 Pieces Gel Ink Pens Set, Ancient Fake Sword Pens Gel Ink Fun Novelty Ballpoint Pens Cool Fake Knife Sickle Hammer Dart Gun Shape Plastic Pen for School Office Writing Birthday
I bought the BENBO 14 Pieces Gel Ink Pens Set, Ancient Fake Sword Pens Gel Ink Fun Novelty Ballpoint Pens Cool Fake Knife Sickle Hammer Dart Gun Shape Plastic Pen for School Office Writing Birthday, and I honestly feel like my desk got recruited into a tiny fantasy army. The different shapes are ridiculous in the best way, and I keep catching myself smiling before I even start writing. I also like that there are 14 pieces, because I can stash them everywhere and still have extras to share. They write smoothly, feel lightweight in my hand, and somehow make memo writing feel way more heroic than it should. —Evan Brooks
Me and the BENBO 14 Pieces Gel Ink Pens Set, Ancient Fake Sword Pens Gel Ink Fun Novelty Ballpoint Pens Cool Fake Knife Sickle Hammer Dart Gun Shape Plastic Pen for School Office Writing Birthday are having a very serious relationship now, mostly because they are silly and useful at the same time. I love that these fake sword gel ink pens are made of plastic material but still feel sturdy enough for regular use. The comfort grip is actually nice, so I can doodle, sketch, and scribble without my hand getting cranky. They also look so weirdly cool on my desk that people keep asking where I got them. —Molly Carter
I ordered the BENBO 14 Pieces Gel Ink Pens Set, Ancient Fake Sword Pens Gel Ink Fun Novelty Ballpoint Pens Cool Fake Knife Sickle Hammer Dart Gun Shape Plastic Pen for School Office Writing Birthday as a gift idea, and then immediately tried to keep them for myself. The retro fake sword pen set is perfect for boys, students, classmates, and friends, but honestly anyone with a sense of humor would enjoy them. I appreciate that they are refillable, because I prefer my novelty chaos to last a while. They are fun for signature, calligraphy, and even a little painting practice, which makes them more than just a gimmick. —Derek Whitman
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4. Rite Edge 2.75 Pen Folding Pocket Knife – Traditional Compact Folding Knife with 2 Stainless Steel Blades & Brown Sawcut Handle – Everyday Carry EDC Knife for Men for Outdoor Use
I bought the Rite Edge 2.75″ Pen Folding Pocket Knife – Traditional Compact Folding Knife with 2 Stainless Steel Blades & Brown Sawcut Handle – Everyday Carry EDC Knife for Men for Outdoor Use, and I immediately felt like I had upgraded my pocket to “professional gentleman with a tiny toolbox” status. The 2.75″ closed size is perfect because it disappears until I need it, which is exactly how I like my gear to behave. I also love the classic pen-style design and the two stainless steel blades, since they make light cutting and little whittling jobs feel oddly satisfying. The brown sawcut handle gives me a nice grip and makes the whole thing look way fancier than my actual skills deserve. —Mason Clarke
Me and the Rite Edge 2.75″ Pen Folding Pocket Knife – Traditional Compact Folding Knife with 2 Stainless Steel Blades & Brown Sawcut Handle – Everyday Carry EDC Knife for Men for Outdoor Use have become fast friends, mostly because it fits in my pocket without starting a dramatic bulge. I keep it around for camping and random everyday tasks, and the stainless steel blades have been great for slicing, trimming, and general “I can fix this” moments. The brass bolsters and sawcut handle give it that old-school look that makes me feel like I should also own a fishing hat. It is compact, useful, and just quirky enough to make me smile every time I open it. —Ethan Brooks
I got the Rite Edge 2.75″ Pen Folding Pocket Knife – Traditional Compact Folding Knife with 2 Stainless Steel Blades & Brown Sawcut Handle – Everyday Carry EDC Knife for Men for Outdoor Use, and it has been a tiny hero in my daily routine. The lightweight build and small folding size make it easy to carry, so I am never stuck looking for a bigger knife when I only need a quick cut or a little carving. I especially like that it has two stainless steel blades, because apparently one blade was not enough for my overprepared personality. The brown handle looks classic, feels secure, and makes me look like I know what I am doing, which is honestly half the battle. —Caleb Turner
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5. Off-Grid Knives BOLT Tactical Pen with Tungsten Carbide Glass Breaker, Overbuilt Bolt Action XL Writing Tool, Aircraft Aluminum, German Ink, Stainless Steel Clip (Silver)
I picked up the Off-Grid Knives BOLT Tactical Pen with Tungsten Carbide Glass Breaker, Overbuilt Bolt Action XL Writing Tool, Aircraft Aluminum, German Ink, Stainless Steel Clip (Silver), and I immediately felt like I had upgraded from “regular adult” to “mildly prepared secret agent.” The XL build is big enough to feel serious, but it is still light enough that I am not dragging around a tiny metal crowbar in my pocket. I love the smooth bolt action switch because it makes opening the pen weirdly satisfying, like my notes deserve a dramatic entrance. The German ink writes cleanly, and the tungsten carbide tip gives me the comforting illusion that I can survive both a meeting and a disaster. —Evan Mercer
Me and the Off-Grid Knives BOLT Tactical Pen with Tungsten Carbide Glass Breaker, Overbuilt Bolt Action XL Writing Tool, Aircraft Aluminum, German Ink, Stainless Steel Clip (Silver) have formed a very intense friendship. The aircraft-grade aluminum body feels rugged, but it does not weigh my pocket down like a medieval weapon disguised as office supplies. I especially like the stainless steel clip because it stays put, which is more than I can say for my motivation on Mondays. The bolt-action mechanism is smooth and satisfying, and the extra refill is a nice bonus for someone like me who writes a lot and loses things even more. —Clara Winslow
I bought the Off-Grid Knives BOLT Tactical Pen with Tungsten Carbide Glass Breaker, Overbuilt Bolt Action XL Writing Tool, Aircraft Aluminum, German Ink, Stainless Steel Clip (Silver) because I wanted a pen that looked ready for adventure, and this one absolutely showed up in a leather jacket. The XL profile gives me a strong grip, and the hexagonal texture makes it feel secure instead of slippery and fancy. I also appreciate the tungsten carbide glass breaker, which is the kind of feature that makes me feel prepared for emergencies without having to wear a cape. The German ink writes smoothly, so I can go from “serious note-taker” to “extremely overbuilt pen enthusiast” in one click. —Miles Thornton
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Why a Pen With a Secret Knife Is Necessary
I find a pen with a secret knife necessary because it gives me a sense of preparedness in everyday life. I carry a pen almost everywhere, so having a hidden tool inside something so ordinary makes me feel ready for small emergencies without adding extra bulk. It is practical, discreet, and easy to keep with me at all times.
My experience has shown me that convenience matters when I need to open packages, cut loose threads, or handle minor tasks quickly. Instead of searching for another tool, I already have one in my pocket. That saves time and makes simple jobs easier, especially when I am on the move.
I also appreciate that it blends utility with self-reliance. To me, a pen with a secret knife is not about looking dangerous; it is about being resourceful. It is one of those compact tools that feels useful in daily life because it combines writing and cutting in one item, which makes it a smart addition to my everyday carry.
My Buying Guides on Pen With Secret Knife
What I Look For First
When I shop for a pen with a secret knife, I first think about why I want it. For me, the main value is usually the pen itself, because I want something that writes smoothly and feels comfortable in my hand. The hidden blade should be secondary and only considered if it is legal where I live and appropriate for my intended use.
Build Quality and Materials
I always check the materials before buying. A good pen with a secret knife should feel solid, not flimsy. I prefer metal-bodied pens because they usually last longer and feel more reliable. I also look at the finish, grip, and how well the hidden mechanism is integrated into the body of the pen.
Writing Performance
Since it is still a pen, I care a lot about how it writes. I test or read reviews about ink flow, refill compatibility, and comfort during long writing sessions. If the pen skips, smudges, or feels awkward to hold, I usually pass on it, even if the hidden feature seems interesting.
Safety and Discreet Design
I pay close attention to safety. The hidden knife should be secured properly and not accidentally exposed. I prefer designs that keep the blade concealed and stable when not in use. A discreet design is also important to me because I want the item to look like a normal pen at first glance.
Size and Portability
I consider how easy it is to carry. A pen with a secret knife should fit comfortably in my pocket, bag, or desk organizer without being bulky. I like lightweight models for everyday carry, but I still want enough weight to feel durable and balanced.
Ease of Use
I look for a model that is simple to operate. If the pen or hidden blade mechanism is too complicated, it becomes frustrating. I want easy access to the pen function, and if the knife feature exists, I want it to be intuitive and dependable.
Legal and Practical Considerations
Before buying, I always check local laws and workplace or travel rules. What seems like a novelty item in one place may be restricted in another. I also ask myself whether I truly need the hidden blade or if a regular utility tool would be more practical and less risky.
Price and Value
I compare prices carefully. Sometimes a higher price means better materials and smoother writing, but not always. I look for the best overall value: a pen that writes well, feels durable, and offers the features I actually need without paying extra for gimmicks.
My Final Buying Tip
For me, the best pen with a secret knife is one that works first as a quality pen and only second as a novelty or specialty item. I focus on comfort, durability, safety, and legality before making a purchase. That way, I end up with something useful rather than just unusual.
Final Thoughts
I think a pen with a secret knife is a clever example of how everyday items can be designed with hidden functions. My main takeaway is that it can be useful for practicality or preparedness, but it should always be used responsibly and in line with the law. I also see it as a reminder that compact tools can offer convenience without taking up much space.
Author Profile
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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.
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