CobraTec CTK-1 Features Our large CTK-1 OD Green starts from a high-grade aluminum alloy handle and features a D2 steel blade. All knives are dual action (blade deployment and retraction are powered by pushing or pulling the same control switch). This knife features a pocket clip a glass breaker for emergencies and includes a nylon sheath. CobraTec CTK-1 Specifications 9 Ounces Dual Action Out-the-Front 3.75 Inch D2 Steel Blade Plain Drop Point 5.75 Inch High-grade Aluminum Alloy Handle 9.5 Inches In Total Length With Glass Breaker