The Microtech Hera II D/E OTF Auto Black Stonewash STD 4" Knife is a marvel of tactical engineering, blending the robustness of a Bohler M390MK steel blade with the elegance of a stonewashed finish. This knife, with its sleek black-anodized aluminum handle and intuitive single-screw construction, epitomizes precision and reliability, ensuring it stands as a dependable ally in any tactical scenario.