Effortless Grinding Power Transforms your Wonder Junior hand mill into a drill-powered grain mill. Quick Setup Process Attaches easily to your drill by simply removing the hand crank. Accelerated Milling Speed Grinds up to 160 RPM, achieving twice the speed of hand cranking. Diverse Grinding Capability Grinds hard grains, beans, corn, nuts, and coffee beans. Broad Drill Compatibility Works with almost any drill, even cordless, for soft and very soft items. Optimal Hard Grain Drill Best paired with a 9 Amp 1/2-inch heavy-duty drill for demanding tasks. Economical Power Solution Offers a more affordable motorizing alternative, keeping your heavy-duty drill versatile. Precision Speed Management Requires a variable speed drill to prevent wear and ensure clean milling.