Technical data grain mill MH 4. Weight: 3,5 kg Height: 16 cm without crank Base diameter: 22 cm Funnel capacity: 300 g Milling capacity fine: 40 g/min Coarse grinding capacity: 80 g/min Diameter of millstone: 12 cm Millstone: Granite natural stone Warranty: 2 years In addition, we guarantee that natural stones will be reground free of charge if necessary within the 12year .