Capresso 560.04 Infinity Commercial Grade Conical Burr Grinder porcelain Lifetime Warranty Welded stainless steel knob Lifetime Warranty airy mixtures regular and coarse Gear reduction motor grinds slow with reduced noise and little static build up Slowest grinding speed in its class creates less friction and heat buildup preserving maximum aroma and flavor for all grind settings Safety lock system for safe operation during and after use Extremely wide grinding range from ultrafine Turkish to coarse for all kinds of coffee preparation Commercial grade solid conical steel burrs with advanced cutting design for high precision grinding 16 clearly marked fineness settings with four levels for each: extra fine