Metal Grain Mill Attachment

This metal grain mill attachment is for grinding grains. It includes a body, movable burr, pouring chute, grind worm, and cleaning brush. The adjustment knob has 3 settings. GVODE Grain Mill Attachment for Kitchenaid Stand Mixer, 9 Levels Flour Mill, Grain Mill for Flour, Fit for Non-Oily Dry Grain Corn, Coffee Bean Grinder, Oats, Millet, Wheat I just get it by mistake and I forgot to return it , I never used, I totally new.