INIZIO Wood Pepper Mills Salt Grinders Spice Grinders for Home Kitchen Machine cut precision ceramic mechanism creates a smooth and even turn. Conveniently to select fine or coarse granules by adjusting the knob on top. Easily fill the pepper grinder by removing the top. Hardened aluminum rod for high performance and great through-put. Dimensions: (Length*Width*Height) 5*5*14.5 cm.