A grain mill grinder meets all your daily needs on grinding. The grain mill grinder can mill high volumes of grain to make flour and recipes incredibly easy. The grain mill grinder uses a high-speed motor to crush all kinds of soft and hard materials quickly. How long can the machine continue to work? This machine can work continuously for 5 minutes, then rest it for 5-10 minutes. Which materials can be ground? It can deal with various dried materials, including grains, spices, and herbs. Not suitable for wet, fresh, oily, or sticky materials. How to clean the machine? Use a dry rag or brush to clean the machine. Don’t clean the grinding tank with water directly. More Various Choices for You. 2500g(Max), 500g(Recommended). 300g(Max), 200g(Recommended). 1000g(Max), 400g(Recommended). 700g(Max), 300g(Recommended). 150g(Max), 100g(Recommended).