Peugeot 861103/SME Metz 4 Inch Salt Mill, Acrylic Mill is made with crystal clear acrylic and is 4-inches tall Salt crushing mechanism is made of high quality specially treated stainless steel Mechanism materials and design resists corrosion from dry salts and minimizes wear Classic grind adjustment: turn the top knob tighter (clockwise) for finer grinds; looser (counter-clockwise) for coarser grinds Made in France