DOBERMANN IV represents the evolution of the first and most classic Extrema Ratio K1 DOBERMANN model.
Since 1997 the DOBERMANN model has undergone notable aesthetic and design changes based on the evolution of taste and trends, while maintaining a line consistent with the original designs. DOBERMANN IV makes flexibility of use and structural resistance its main characteristics.
DOBERMANN IV S600, like the model from which it derives, is a multi-role gun that can be used for hunting, survival, camping and military use.
The blade has a "drop point" shaped tip while the central part has a "recurved blade" profile. The grinding is carried out flush with the surface. This particular geometry of the blade allows the DOBERMANN IV both to make precise and clean cuts on materials such as cordage, wood and foliage and to find easy use in typical Bushcraft and Survival jobs such as batoning and chopping.
Unlike the other DOBERMANN IVs this model uses Böhler S600 steel. This material is used in industrial production to make metalworking tools and in mold making. The high content of molybdenum, tungsten and a good presence of vanadium in its chemical composition give it excellent qualities of hardness, wear resistance and toughness. The presence of Cobalt favors the formation of small, uniformly distributed carbides, a characteristic that enhances and increases wear resistance. The blade of the DOBERMANN IV S600 is hardened and cryogenically treated, thus reaching an exceptional hardness of 64 HRC. This gives it great resistance to wear and the ability to guarantee the cutting edge of the wire for a long time. Böhler S600 has 4.5% chromium, making it an oxidizable steel. For this reason, the new Teflon-based coating “EXP DARK” proposed by Extrema Ratio was applied.
DOBERMANN IV S600 is equipped with a green forprene handle. A tang protrudes from the handle, acting as a glass breaker, equipped with a slot that allows the knife to be fitted with a strap.
DOBERMANN IV S600 is supplied with a cordura thigh sheath, also in green colour, is equipped with a MOLLE system attachment system and is adaptable to both left-handed and right-handed people.
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