Most pepper mills, IMHO, are a day late and a dollar short.
They jam up, don't hold regristation, and in general, a total PITA.
Several years ago, found a Japanese unit, with ceramic cutters, on the close out table of a liquidator.
Beautiful piece of equipment.
Have never been able to find another one.
Am considering building a couple of pepper mills, IF I can find good ceramic cutters.
Both WoodCraft and Rockler have this unit:
Lew