Ceado E37S Commercial Espresso GrinderCeado E37S V2 Commercial Espresso Grinder Grinding adjustment: Stepless Quick set revolution which allows you really fine tune your grind. Adjustment knob is located underneath the hopper. The rubber hopper guard is numbered so you can remember your current grind setting easier. Turn left for a coarser grind and right for a finer grind. Steady lock grinding system This system helps keep your grind setting locked to the current position and also helps