Enforce Tac 2018 | Extrema Ratio
The Extrema Ratio manufactures four models of concealable neck or belt mounted knives that are very interesting for applications in urban environments. The four variants are N.K.1, N.K.2, N.K.3 and N.K.3 K (K stands for Kerambit). These fixed blade knives are made with BöHLER N690 steel (60HRC) and with a MIL-C-13924 burnishing surface finish (for the black version). The Extrema Ratio Neck Knives are available in Black, Desert Warfare and Stone Wash. For belt mounting solutions separately purchasable accessories are available from Extrema Ratio.