The core cutting edge is high carbon Cobalt Swedish steel sandwiched with 13 Chromium stainless steel. The DP Clad technology made it possible to fully prevent carbon content from being transferred to the layered stainless steel. Thus, it has achieved Rockwell HRC 60 to 61 hardness and the Cobalt added Swedish steel has a perfect performance in strength and durability, and yet resistant to rust. Water resistant Black Staminawood handle with stainless steel bolster.