The heart of the Trailmaster is the top-notch burr known from Comndante® MK4 grinder. The burr material and design are the proud result of years of dedicated research and development at Comandante®’s onsite coffee lab. Nitro Blade® is unique, using a high-alloyed, high-nitrogen stainless steel with a fine martensitic micro-crystal matrix.

Burr Geometry has been optimised to achieve excellent Bean Th