Mazzer Mini Electronic Type B Grinder - Black Burrs: 64 mm flat Measurements: 18.5" H x 6.75" W x 13.5" D (47 cm H x 16.8 cm W x 34 cm D) including tray and short bean hopper. Grinding Blade Speed: 1600 RPM Power: 250 watts Hopper Capacity: 1.3 pounds (0.6 kilograms).