Enjin Knives are made in Tosa Japan and feature SRK8 steel which contains C:1.0 Si: 0.3 Mn: .25 P: <0.030 S: <0.030 Cr: 0.2-0.5 Ni: 0.3-0.5 Hardening 820 C Temper 150-200 C Oil Quench HRC 63 +-. The result is a high hardness carbon steel that holds an edge well and sharpens easily.