CobraTec CTK-1 Large OTF Knife 3.75" D2 Steel Drop Point Black

The CobraTec CTK-1 Large delivers reliable out-the-front action with a 3.75-inch D2 tool steel blade engineered for demanding cutting tasks. This dual-action automatic knife combines precision manufacturing with tactical functionality. The drop point blade geometry provides optimal cutting performance across multiple applications while the integrated glass breaker adds emergency utility.

What Makes This Different

The CTK-1 Large features genuine D2 tool steel construction, offering superior edge retention compared to standard stainless steel alternatives. The dual-action OTF mechanism deploys and retracts the blade with consistent spring tension rated for thousands of cycles. Black anodized aluminum handle construction provides corrosion resistance while maintaining a lightweight 4.2-ounce carry weight.

Key Features

• 3.75-inch D2 tool steel blade with 58-60 HRC hardness rating
• Dual-action out-the-front deployment mechanism
• Drop point blade geometry for versatile cutting applications
• Integrated carbide glass breaker tip
• Black anodized 6061-T6 aluminum handle construction
• Removable pocket clip for tip-up carry
• Ambidextrous firing button operation

Field performance centers on the D2 steel's ability to maintain sharp edges through extended use while resisting corrosion in humid environments. The 3.75-inch blade length provides sufficient cutting capacity for utility tasks, emergency response situations, and general everyday carry needs. Spring-loaded mechanism operates reliably in temperatures from -20°F to 150°F according to manufacturer specifications.

Technical Specs

• Overall Length: 8.75 inches (open), 5 inches (closed)
• Blade Length: 3.75 inches
• Blade Steel: D2 tool steel, plain edge
• Handle Material: 6061-T6 aluminum, black anodized
• Weight: 4.2 ounces
• Mechanism: Dual-action out-the-front automatic
• Additional Features: Glass breaker, pocket clip included
• Country of Origin: China

The CTK-1 Large represents solid value in the automatic knife category with D2 steel construction typically found in higher-priced models. Current production models ship with manufacturer warranty coverage and comply with applicable local regulations where legal to own.