Mill is made with crystal clear acrylic and is 4-inches tall 2 Stage grinding mechanism is made of case-hardened steel which is specially treated to keep the teeth razor sharp and protect from corrosion Releases maximum flavor and aroma by first cracking each peppercorn before it is ground Classic grind adjustment: turn the top knob tighter (clockwise) for finer grinds; looser (counter-clockwise) for coarser grinds Made in France