Suitable for: Home, Office, Small Bar. Duo is a semi-professional espresso grinder. Being an on demand grinder, Duo has been built on the standard of fresh coffee in a timely manner. Making this grinder ideal for those who are passionate about great coffee. Features Grind adjustment Simple and intuitive grind adjustment Commercial grade electric motor This high powered motor is capable of delivering fresh ground espresso in a matter of seconds. Stainless steel 55mm burrs This grinder comes standard with a Steel Burr set . Giving it the ability to grind up to 650 pounds of coffee before requiring replacement. (depending on the bean this may vary) Portafilter holder & switch This grinder is capable of holding the portafilter while it is dosing, meaning that the barista can operate other equipment during the grinding process Transparent bean hopper The compact 0.9 lb (400g) hopper means you can fit this grinder under almost any counter. Features & Specs MDH on Demand Grinder Width 7.75" Grinder Depth 7.5" Grinder Height 13.5" Volts 110 Watts 310 Amp Draw 2 Hopper Capacity 0.4kg Burr Size (mm) 55 Burr Adjustment Micrometric Programmable Doses 2 Sound Insulation Included Portafilter Holder Included