The kube burr espresso grinder has a square stainless steel body with a large coffee beans hopper capacity of 10.6 oz. (300 gr.) It is fitted with flat burr mills with a wide range regulation of the coffee grinds. Instant and continuous flow of grinds are emptied into the porta-fillter with the user having full control of quantity and freshness of coffee. The conic wheel is hardened steel with a diameter of 38 mm.