Grinding Disc All Parts Moderate Size Grinding Spices Grinding Grain Grains Fine Grinding Herbs UPDATED VERSION: The grinder has been updated, it do not have the button in the old version. It has a controlling button now to make you operate the machine more easier. The grinder is made by high quality material which ensure the durability. The capacitor housing is made of premium aluminum alloy material, will not be crushed during transportation and prevent rust. SPECIFICATION: Supporting power: 3000W Rated voltage: 110V Rated speed: 2800 r / min Drill diameter: 150 mm Direction of rotation: Counterclockwise Corn ≤ 133 lbs / h; Rice ≤ 166 lbs / h Wheat ≤ 166 lbs / h; Paddy rice ≤ 110 lbs / h Soybeans ≤ 110 lbs / h; Rice≤ 110 lbs / h