Rancilio Espresso Coffee Grinder Rocky Doserless with a 2 year limited warranty. This Rancilio Rocky Doserless model offers all of the premium features of the Rocky Doser with the exception that the ground coffee is dispensed directly into your espresso machine filter basket or drip coffee filter as it is ground. Perfect for serious home use, as well as in offices and light commercial applications with a wide range of grind settings from espresso to drip and French press. Quality features throughout include a huge commercial grade motor connected to heavy-duty hardened steel grinding burrs, thermal overload switch and a brushed stainless steel housing with heavy-duty plastic accents.