The Viper Tec Tactical OTF Pen Knife is an automatic out-the-front blade pen engineered for everyday carry. One press deploys the razor-sharp 440C stainless steel blade instantly via the precision OTF mechanism — then it doubles as a fully functional ballpoint pen. Compact, discreet, and built in the USA, this is the ultimate dual-purpose EDC tactical pen knife.
Dual-Function Tactical Pen Knife for Everyday Carry
This OTF pen knife merges a hidden automatic blade with a fully working writing pen — making it one of the most versatile EDC tools available. Whether you're signing documents or handling a quick cutting task, the Viper Tec tactical pen knife delivers without drawing attention.
- Automatic OTF blade deployment with a single press
- Fully functional ballpoint pen — writes like any standard pen
- Slim, pocket-friendly profile for all-day carry
- Ideal EDC tactical pen knife for work, travel, or outdoors
440C Stainless Steel Double-Edged Blade
The 440C stainless steel blade is sharpened on both ends for maximum cutting efficiency in a compact 1.7" form. Whether you're breaking down boxes, opening packages, or handling small utility tasks, this blade stays sharp and performs reliably.
- 440C stainless steel for edge retention and corrosion resistance
- Double-edged design for fast, versatile cutting
- 1.7" blade length — California legal
- Ideal for everyday light utility tasks
Aluminum Body — Lightweight & Durable
The pen body is machined from lightweight aircraft-grade aluminum, delivering durability without bulk. Its slim, low-profile silhouette slides effortlessly into a shirt pocket, jacket pocket, or organizer — blending in as an ordinary pen until you need it.
- Aircraft-grade aluminum construction — tough yet lightweight
- Slim, low-profile design that looks like a standard pen
- Comfortable, secure grip for writing and handling
- Available in Grey, Purple, Silver, Blue, and Black
Safe Automatic OTF Deployment You Can Trust
The automatic OTF mechanism is paired with a dedicated safety lock that prevents the blade from deploying accidentally. Whether stored in a pocket, bag, or briefcase, the Viper Tec tactical OTF pen knife stays secured until you intentionally activate it.
- Built-in safety lock for controlled automatic deployment
- Compact, EDC-ready size fits any carry setup
- Easy single-press deploy and retract
- Reliable OTF mechanism designed for everyday use
Specifications
What's Included
- Viper Tec Tactical OTF Pen Knife
- Extra Ink Cartridge
- Lifetime Warranty
- California Legal Blade (1.7")
Frequently Asked Questions
Is the Viper Tec tactical OTF pen knife legal in California?
Yes. The blade length is 1.7", which meets California's legal carry requirements. Always verify your local laws before carrying any blade.
How does the automatic OTF pen knife blade deploy?
A single press of the top button activates the out-the-front (OTF) mechanism, instantly extending the blade from the front of the pen. Press again to retract it safely.
Can this tactical pen knife actually write?
Absolutely. It operates as a fully functional ballpoint pen. An extra ink cartridge is included so you're always ready to write.
What is the blade length on the OTF pen knife?
The blade is 1.7" long, double-edged, and crafted from 440C stainless steel for lasting sharpness and corrosion resistance.
What colors does the tactical OTF pen knife come in?
The Viper Tec Tactical OTF Pen Knife is available in five colors: Grey, Purple, Silver, Blue, and Black.