"Igla"
“Igla” knife was created by order of the Ministry of Defense for special branches of military swimmers. Back of the blade has a section with serrated grind intended for cutting synthetic and natural fibre wires. Blade with camouflage cover made of black chromium coating has a measuring ruler. A slot near guard serves for bending and breaking wires. Metal finial of handle is used for fixing knife in sheath and as a hammer. Handle is designed for comfortable work in diving gloves. Sheath is used both for storing the knife and additional works fulfilling.
Sheath has nippers suitable for 3 mm thick wire cutting. Sheath also has fixing units for combined metal and wood saw and for awl.
Characteristics of a knife:
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Total length, mm - 319
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Length of blade, mm - 173
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The greatest width of blade, mm - 35
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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, 95Cr18, 70Cr16MoVaSi (patent RU236957C1).