Bialetti Manual Adjustable Coffee Grinder, Ceramic Burr The Ceramic Conical Burr Grinding Wheel is high-strength and long-lasting Manual coffee grinder no batteries, no cord, very low noise Easy to adjust dial for fine to course grounds and all in-between Cup markings for: Moka, Turkish, pour over, and coffee press grinds Designed to create twice the output, 50%-150% more coffee per turn