The Microtech OSS Cobra knife is a beauty. These knives sport a dagger style S35-VN stainless steel blade with one sharpened edge. The handle is layered G-10 with titanium spacers and bolsters. The Microtech Cobra features a lever lock mechanism, simply open the lever and push it down and the knife will open. The Cobra has two leaf springs to ensure that the blade opens quickly and reliably.