CobraTec CTK-1 Black Large Dual Action OTF (out the front) automatic knife Single Edge silver blade. This CobraTec CTK-1 has a 3.75 inch D2 Steel blade with a Black Handle made of zinc-aluminum alloy covered in a slip resistant grip. It includes a pocket clip, glass breaker and a nylon sheath. Overall open length is 9.5 inches, LBCTK-1LDNS. Limited lifetime warranty.