POWERFUL COFFEE GRINDER - Equipped with 150W strong motor, Keenstone electric coffee grinder can quickly and freely perform various grinding levels according to different coffee needs. Blades manufactured from 304 stainless steel can grind quality fine powders within 30 seconds, with speed of 29500 ± 10% rpm.MULTIFUNCTION GRINDER - Not only a coffee bean grinder, but also designed to grind all kinds of spices, pepper, seeds, herbs, nuts, grains and more.