The only home coffee grinder built to industrial quality and performance standards.Unique multi-stage grinding system insures the very best flavor, no matter what grind you choose. Extra heavy duty, high performance motor and drive train ensures reliability and long life. Uses commercial grinding burrs. Most other systems use only knives or blades that can cause coffee bitterness. Safety switch prevents grinding of beans before the coffee collector is in its proper position. Timer allows exactly the right amount of coffee to be ground as required. Coffee collector holds up to 5 oz. and makes for easy delivery to a quality BUNN filter and coffee maker funnel.