"Murena"
Underwater knife "Murena" has blade with a differently sharpened parts of edge: ordinary cutting edge passes into serrated edge near the handle. The wavy cutting edge ends with a sharp hook adapted for fishing-nets cutting. Blade surface may be coated by anti-glare, black or camouflage coloration. Heavy steel tang carries out a role of a hammer. The circular bore is made on the tang for fixing a knife resting into the sheath by the locking ring. Plastic sheath have the universal fastening that allows transferring a knife both on a belt and on a leg.
"Murena-2" is a survival knife. Knife defines from an underwater one with a fretsaw made on the butt. Blade has anty-glare or camouflage covering.
Characteristics of a knife:
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Total length, mm - 261
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Length of blade, mm - 132
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The greatest width of blade, mm - 33
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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: 50Cr14MoVa, 70Cr16MoVaSi (patent RU236957C1).