"Kasatka"
Universal underwater knife “Kasatka".
Metal finial of handle is used as a hammer and annular groove serves for fixing the knife by a snap ring.
Plastic sheath has universal fixation that allows wearing knife both on belt and on legs.
Characteristics of a knife:
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Total length, mm - 301
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Length of blade, mm - 172
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The greatest width of blade, mm - 35,5
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Thickness of a butt, mm - 5
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Width of handle, mm - 36
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Thickness of handle, mm - 28
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Hardness of blade, HRC - 52-56
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Material of blade: steel 95Cr18MoVa, 70Cr16MoVaSi (patent RU236957C1).