The MM is Gaggias most affordable coffee grinder. Like all true espresso coffee grinders it has twin burrs, not blades, for the consistent grind you need to produce a commercial quality espresso. The Gaggia Coffee Grinder is simple to operate with 9 selectable levels of coarseness. Coffee grounds are dropped into a removable coffee bin for scooping into your portafilter or drip coffee machine. Motor and Burrs, the MM Gaggia Coffee Grinder is built with a high speed direct drive motor and comes in either black or white plastic bodies. The coffee grinders grinding burrs are 42 millimeters and designed to stand up to home use for excellent durability. Gaggia Coffee Grinder Product Features * The Gaggia Coffee Grinders clear plastic bean hopper can hold up to 6 ounces of beans. * The ground coffee container can hold up to 6 ounces of ground coffee. * The coffee grinders burrs are 42 mm in diameter and can be easily accessed for cleaning.