Extrema Ratio Dobermann IV Classic 7.3" N690 Fixed Blade Knife with Leather Sheath All knives in this series

All knives in this series are equipped with clip options that allow four-position carry on belts or webbing

Straight Gouge

making it a much higher quality than standard AlMg3)

Using a technique reminiscent of traditional hiki-zome (brush dyeing)

Extrema Ratio Dobermann IV Classic 7.3" N690 Fixed Blade Knife with Leather Sheath All knives in this seriesExtrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997 enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry. DOBERMANN IV evolved from the first and most classic Extrema Ratio knife, the K1 DOBERMANN. Over the years, the DOBERMANN has undergone significant change in look and design to meet evolving consumer expectations and ever