The Bistro Electric Burr Coffee Grinder in Black crushes coffee beans between two conical burrs. This is far preferable to chopping, which creates all sizes of particles. Grinding helps prevent the coffee from losing its characteristic taste and aroma. The variable grind settings are adjusted by twisting the upper bean container. Grind your coffee from a coarse French press down to a fine ground for espresso. The Bistro Electric Burr Grinder comes with an attractive, static-free borosilicate glass container to collect ground coffee. The container featuring a non-slip silicone band for secure handling, and a lid to minimize static and dust.