Kegco KM7GM-2R Grain Mill with 7lb Hopper and 2 Rollers Mill can be hand-cranked or motorized with a corded electric drill Heavy-duty two-roller mill with adjustable gap-spacing Integral drive shaft and axles Barley crusher and grain grinder with 7 lb capacity grain hopper Now includes a black metal base that fits over common 5 gallon buckets Grain mill can be hand-cranked or motorized with a corded electric drill Features integral drive shaft and axles 6&#034; long adjustable gap Heavy-duty two-roller mill with fully adjustable gap-spacing Dual eccentric adjusters: 0.100 to 0.025 gap - built from stainless steel for no galling 6 lbs / minute is average throughput 5&#034; x 1.25&#034; diameter steel rollers Crankshaft can be turned clockwise or counterclockwise Durable alloy frame Stainless steel ball bearings 7 lb. capacity aluminum grain hopper You will need to supply or build a base