Rancilio. It's the most recognized name in commercial quality espresso machines and grinders. And now, the company has packaged all the professional features and functionality that they're famous for into its line of Rocky grinders. The Open Box Rocky Coffee Grinder is ideal for the coffee enthusiast looking for better control over grinding. Featuring 50mm burr grinding plates crafted of the finest tempered steel, the Rocky is designed to deliver 55 different types of quality grounds at the press of a button, all without imparting additional heat during the process. With the doserless, you'll have more manual control over the amount of grounds you deliver to your chosen filter or carafe.