Made in France; Silver plate 10cm/4"; Iconic shape - reproduction of the Z model mill Plated to the highest level of silver plating recognized by the French law and guaranteed by the square grade I hallmark Salt mechanism is made of corrosion resistant stainless steel; Two ribbed plates work to fracture and crush coarse dry sea salt to a consistent size Classic grind adjustment: turn the top knob tighter (clockwise) for finer grinds; looser (counter-clockwise) for coarser grind Use & Care: Hold the body of the mill with one hand and turn the head clockwise with the other hand; To clean, use a soft dry cloth