Peugeot Paris Classic Collection Antique 7-in Pepper and Salt Mill Set Pepper mechanism is equipped with a helix-shaped double row of teeth that guide and hold the peppercorns for a perfect grind. A patented treatment that protects the steel from corrosion while maintaining its sharpness and wear resistance Classic grind adjustment: turn the top knob tighter (clockwise) for finer grinds; looser (counter-clockwise) for coarser grinds Lifetime limited guarantee on the mechanism, 5 years on the exterior of the mill