CobraTec's medium CTK-1 black knife 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. Features: Dual action OTF 3 inch D2 steel blade 5 inch high-grade aluminum alloy handle 8 inches in total length with glass breaker