Quick Answer: The Baratza Encore ESP Coffee Grinder ZCG495BLK, Black is an electric burr grinder designed for grinding coffee beans to selectable sizes.Key Details SPECIALTY COFFEE ASSOCIATION AWARD-WINNING GRINDERS - Baratza grinders are preferred by coffee professionals and tops the list of review sites like Wirecutter. DUAL-RANGE ADJUSTMENT SYSTEM - This innovative multi-purpose adjustment mechanism features micro-steps from #1-20 for high resolution espresso grinding, and macro-steps from #21-40 suitable for filter brewing methods. USER FRIENDLY - Fresh coffee is as simple as a single-handed hopper twist for grind size adjustment, then a push of the front-mounted pulse button, or a turn of the ON/OFF switch. QUICK-RELEASE BURR - The burr mounting system has been redesigned to allow for quick removal without taking the entire grinder apart. WARRANTY/QUALITY PARTS - Engineered with 40mm hardened alloy steel burrs manufactured in Liechtenstein, Europe, plus a powerful DC motor.