The Virtuoso conical burr grinder makes it easier than ever to make a professional quality coffee, whether at home, the office, or your café. The 40mm commercial-grade conical burrs yield the consistent grind that is critical for a perfect espresso or brewed coffee extraction. The range of grind and the accuracy of the settings is truly impressive. The Virtuoso has 40 possible grind setting. An innovative burr calibration system virtually eliminates grind variation and ensures identical performance from each grinder. Additional features include: Special anti-static coating insures extremely low static Special gear reduction for slow rotation, ensuring the retention of the aroma and flavor of the freshly ground beans. Large 5 oz ground-coffee bin, 8 oz. bean capacity. A timer knob controls coffee grinding time. The coffee powder is tightly controlled in the grinding chamber for trouble-free operation of the grinder.