Peugeot Nancy Acrylic Salt and Pepper Mill Set, 12cm/4 3/4-Inch Made in France; Lifetime warranty on the mechanism, 5 years on the body of the mill Pepper mill has a 2 Stage grinding mechanism made of case-hardened steel specially treated to keep the teeth razor sharp and protect from corrosion 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 slightly damp or dry soft cloth