Precision grinding wrapped in natural wood. The C40 MK4 pairs Comandante’s legendary Nitro Blade® burr set with a warm American Cherry veneer—each piece unique—delivering clean, sweet, and remarkably consistent grinds from espresso-fine to coarse. The MK4 generation refines the workflow with a lighter, tougher build and an updated internal suspension that improves stability and on-the-go durability. Inside, the proprietary Nitro Blade burrs—engineered from high-alloy, high-nitrogen stainless steel—offer outstanding edge retention and uniformity for years of daily use. It’s the heart of the grinder’s performance and the reason so many professionals rely on the C40 for repeatable results across brew methods. German-built craft, a natural cherry wood finish, and the industry’s benchmark hand-grinder burrs—designed for precision at home, on bar, or on the road.