This heavy duty grinder has a large capacity suitable for commercial & home use Stainless steel body gives resistance to rust and corrosion. It has very strong grinding power with 1400 w and 34000r/min Please use it for at least 5 minutes and allow 5-minute intervals to prevent overheating the motor. It is recommended to grind dried ingredients with half the container. For grains and spices, 1 minute is enough time. You can grind your material to powder as fine as you wish conveniently.