Deluxe GrinderDeluxe Grinder This grinder will process 60 pounds of flour per hour at the low speed of 1725 r. p. m. You can grind all types of grains including corn, wheat, rye, millet, buckwheat, soy bean and rice. The cabinets are hand crafted of the finest lumber core hardwood. The flour drawer is stainless steel and pulls completely out of the grinder to carry your flour anywhere you need to. In the event of a power outage, the grinder can be operated by hand