CobraTec CTK-1 Large 3.75" OTF Tanto D2 Steel Blade Knife with Army DigiCamo Aluminum Handle, Glass Breaker & Pocket Clip

The CobraTec CTK-1 Large is a serious OTF (out-the-front) tanto knife built for users who need a reliable blade without compromise. At 3.75 inches, this is a full-size tactical knife with real cutting geometry—the tanto point excels at piercing and controlled cuts, a geometry that's proven itself across military and law enforcement work. Whether you're field-dressing game, breaking down cordage at camp, or keeping one in a vehicle or pack, the tanto blade profile delivers the kind of performance you can trust when it matters.

D2 steel is the blade material here, a high-carbon choice that takes and holds a serious edge while remaining relatively straightforward to sharpen in the field. The Army DigiCamo aluminum handle is durable and won't add unnecessary weight, and it's designed to give you a secure, ergonomic grip. The integrated glass breaker—a practical feature often overlooked until you actually need one—adds genuine utility beyond the blade itself. A pocket clip rounds out the package, keeping the knife accessible and secure whether you're carrying it on your belt or stowed in a pack.

This is an OTF knife: it deploys with one hand at the push of a button, which matters when you're wearing gloves, have limited space, or need to move fast. The CTK-1 Large isn't a weekend toy—it's the kind of knife that earns its place in a truck, a hunting pack, or an EDC rotation by doing its job quietly and without fuss.

Key Features

• 3.75-inch D2 steel tanto blade with proven edge geometry
• Army DigiCamo aluminum handle for durability and secure grip
• Integrated glass breaker for emergency or utility use
• Pocket clip for easy carry and retention
• Out-the-front (OTF) deployment for one-handed operation

Specifications

Frequently Asked Questions

What's the difference between a tanto blade and a drop point for hunting and field use?

The tanto blade excels at piercing and precise cuts thanks to its flat edge and reinforced point, making it especially effective for detail work and penetration. A drop point offers a more general-purpose profile with a slightly curved edge. For game processing and camp tasks, either works well; the tanto's strength is in deliberate, controlled cutting where the point matters.

Is D2 steel easy to maintain in the field?

D2 is a high-carbon steel that holds an edge well and is straightforward to sharpen with a field steel or whetstone. Like all high-carbon steels, it's more prone to corrosion than stainless, so regular cleaning and light oiling—especially in wet conditions—will keep it in top shape.

Does the OTF deployment work reliably with one hand?

Yes—OTF knives are designed for single-handed operation via a push button. This is particularly useful when you're wearing gloves, have limited space, or need to deploy quickly.

What does the glass breaker do, and when would I use it?

The glass breaker is a hardened point integrated into the knife for breaking tempered glass in emergencies—vehicle windows, for example. It's also useful for non-knife tasks around camp or vehicles where you need a concentrated striking point.