The CobraTec CTK-1 Large delivers reliable out-the-front deployment with a 3.75-inch D2 steel tanto blade engineered for tactical applications. This double-action automatic knife combines military-grade construction with practical everyday carry features.
What Makes This Different
The CTK-1 utilizes premium D2 tool steel for superior edge retention and corrosion resistance compared to standard stainless steel OTF knives. The dual-action mechanism fires and retracts with consistent spring tension rated for thousands of cycles. Army digital camouflage aluminum handle provides tactical aesthetics while maintaining lightweight portability at just 4.2 ounces.
Key Features
- 3.75-inch D2 tool steel tanto blade with 60-62 HRC hardness rating
- Double-action out-the-front mechanism with ambidextrous thumb slide
- Army digital camouflage anodized aluminum handle construction
- Integrated glass breaker spike for emergency applications
- Deep carry pocket clip positioned for tip-up carry
- Safety lock prevents accidental deployment during transport
- Overall length of 8.75 inches when deployed
Field testing demonstrates consistent blade deployment across temperature ranges from -10°F to 120°F. The tanto point geometry penetrates tough materials while the plain edge maintains sharpness through extended cutting tasks. Law enforcement and military personnel rely on similar CobraTec models for duty applications requiring rapid one-handed access.
Technical Specs
- Blade Length: 3.75 inches
- Overall Length: 8.75 inches (deployed), 5 inches (closed)
- Blade Steel: D2 tool steel, plain edge
- Handle Material: Anodized aluminum with Army DigiCamo finish
- Weight: 4.2 ounces
- Blade Thickness: 0.125 inches
- Action Type: Double-action automatic (out-the-front)
- Additional Features: Glass breaker, pocket clip, safety lock
The CTK-1 represents proven OTF technology at an accessible price point for serious users. CobraTec's manufacturing standards ensure consistent performance where reliability matters most.