Eureka Atom Commercial Espresso Grinder - Diamond Gray MetallicEureka Atom Commercial Espresso Grinder Diamond Gray Metallic Grinding adjustment: Stepless micrometrical Gives you an "infinite" range of settings which allow you to really fine tune your grind to your espresso machine. Turn clockwise for a finer grind and counterclockwise for a coarser grind. Perfect positioning The adjustment knob is located on the top right of the grinder, underneath the bean hopper. This helps keep the overall width of the