Mazzer Mini Espresso Grinder Silver Only, Low blade speed (1600 RPM) Flat 58 mm grinding burrs, Dimensions: 6 1/4" W x 13 1/4" D x 16 1/2" H Stepless micro-metrical grind adjustment Dosing levels can be adjusted from 5.5 - 9 g Motor output: 250 watts, 110 Volt, ETL certified both in USA and Canada