The new Comandante MK4 Nitro Blade Coffee Grinder is built for true coffee enthusiasts. The C40 Nitro Blade is a robust and high-performance manual coffee grinder with an advanced burr set design. The selection of the burr material is the proud result of dedicated research and development from Comandante team. We chose a very special high-alloyed, high nitrogen stainless steel with a fine martensitic micro-crystal matrix as our top-of-the-line burr material. We further refined the geometry and structure of the Nitro Blade® burr to get the grind p