BTKG42C Bestech Knives Cubis Linerlock BlueThe BTKG42C Cubis is a straightforward working knife built around D2 tool steel, a high carbon steel that takes a sharp edge and holds it well with proper maintenance. At 4. 25" closed with a 3. 13" blade, it sits comfortably in the pocket or pack, while the blue canvas micarta handle provides reliable grip and modest weight savings over full steel alternatives. The linerlock mechanism is robust and field proven, and the extended tang adds mechanical