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Knife manufacturers use this material in budget knives, also in diving knives due to its high corrosion resistance. [7] 440 series has three types: 440A, 440B, and 440C. 440A is a relatively low-cost, highly corrosion-resistant stainless steel. In China, A honest Changjiang Stainless Steel developed 7Cr17MoV, a modified 440A, by adding more ...
The Shocknife is a composite training knife for law enforcement, corrections and military personnel equipped with a battery pack to generate an electric shock. It was invented by Canadian Police Officer Jeff Quail. [1] The Shocknife is notable for the electrical shock it delivers when used in a knife strike.