Home » Products » Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 2
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 3
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 4
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 5
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 6
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 7
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 8
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 9
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 10
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 11
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 12
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 13
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 14
Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors - Image 15

Pen Knife Disguised Self-Defense Tool 2.13-Inch Concealed Blade — Functional Ink Pen with Hidden Knife, Pen Cap Safety, 5.38-Inch Overall, Ultra-Lightweight 0.06 lbs, 5 Colors

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It writes. It also protects. This pen knife functions as a real ink pen but separates to reveal a 2.13-inch concealed blade when you need it most. At just 0.06 lbs and 5.38 inches long, it fits anywhere a normal pen goes — shirt pocket, purse, desk drawer, or glove box. Five color options give you choices.
  • 2.13-inch concealed blade hidden inside a fully functional ink pen
  • Pen cap safety keeps the blade secured during normal carry and writing use
  • Ultra-lightweight at 0.06 lbs — the lightest disguised self-defense tool available
  • Includes working ink cartridge so it functions as an actual pen
  • Available in Black, Camo, Gold, Red, and Silver for personal preference

The Pen That Gives You More Than Words

Every pen writes. This one also provides a layer of personal security that nobody sees coming. Pull the pen apart and a 2.13-inch blade is ready for action. Put it back together and it is just a pen sitting on your desk or clipped to your pocket. At 0.06 lbs, it is the most discreet personal protection tool you can carry.

Who This Pen Knife Is For

Professionals who work in offices, travel frequently, or commute through parking garages and public transit will appreciate having protection that blends into everyday items. Nurses, real estate agents, rideshare drivers, and anyone whose work puts them in varied environments can carry this pen without a second glance from anyone around them.

It is also an excellent covert addition for college students, parents, and anyone who wants a backup option that does not look or feel like a weapon.

Is This the Right Choice for You?

Choose this Pen Knife if you want:

  • The most discreet concealed blade available — it looks and writes like a real pen
  • An ultra-lightweight tool at just 0.06 lbs that fits in any pocket or bag
  • Five color options including Camo for outdoor use and Gold for a premium look

Consider something else if you need:

  • A longer blade for heavier cutting tasks
  • Fast one-hand deployment without needing to separate two pieces

Real Pen Function Meets Concealed Readiness

What makes this tool effective is that it genuinely works as an ink pen. The included ink cartridge lets you write notes, sign documents, or jot down a phone number. Nobody questions a pen. It sits naturally in a shirt pocket, desk cup, briefcase, or purse without raising awareness.

When you need the blade, pull the pen apart at the midpoint. The 2.13-inch blade is revealed — small enough for discretion but functional for self-defense and everyday cutting tasks like opening letters, cutting tape, or slicing through packaging. The pen cap serves as the safety, keeping the blade secured during normal carry.

At 5.38 inches long and just 0.06 lbs, this is genuinely the lightest and most portable disguised tool in the Elite Warrior Defense lineup. You can carry it everywhere a pen goes, which is effectively everywhere.

Quick Comparison: How Does the Pen Knife Stack Up?

Feature Pen Knife Comb Knife Brush Knife Folding Knife
Disguise Level Looks like a pen ✔ Looks like a comb ✔ Looks like a brush ✔ Visible as knife
Blade Length 2.13 inches 3.5 inches ✔ 4 inches ✔ 3–3.5 inches ✔
Weight 0.06 lbs ✔ 0.15 lbs Lightweight 0.25–0.45 lbs
Dual Function Writes with ink ✔ Combs hair ✔ Brushes hair ✔ Blade only
Best For Office / travel covert Everyday covert Purse / bag covert Open everyday carry

Practical Details

Overall length is 5.38 inches with a 2.13-inch concealed blade. Weighs 0.06 lbs. Pen cap safety secures the blade during carry. Includes a working ink cartridge. Dimensions are 5.38 x 0.38 inches — standard pen size. Available in Black, Camo, Gold, Red, and Silver.

Carry confidence that nobody sees coming — the pen knife delivers discreet protection in the most portable form available.

Frequently Asked Questions

Does the ink pen actually write well?

Yes. The included ink cartridge is functional and writes like a standard ballpoint pen. While it is not a premium writing instrument, it performs adequately for everyday writing tasks like signing receipts, jotting notes, or filling out forms. The pen function is genuine, not just cosmetic.

Can I replace the ink cartridge when it runs out?

The pen uses a standard-size ink cartridge that can typically be replaced when the original runs dry. Check your local office supply store for compatible refills. The pen knife is designed for long-term carry, so refillable ink keeps it functional as a writing tool indefinitely.

Is a 2.13-inch blade effective for self-defense?

Any blade, regardless of size, can serve as a deterrent and a last-resort self-defense option. The 2.13-inch blade is compact by design — the trade-off for maximum concealment is a shorter cutting edge. For those who prioritize discretion above blade length, this pen knife delivers. For more blade reach, consider a comb knife or folding knife instead.

Type of KnifeDisguised
Overall Length5.38 inches
Blade Length2.13 inches
SafetyPen Cap
IncludedInk Cartridge

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