Ss Grain MillFeaturing a hi torque DC motor combined with a leveraged gear reduction system that drives a series of billet aluminum pulleys and high inertia rollers makes easy work of the toughest wheat and rye malts. LEARN MORE Brew Cube Ss Grain Mill Cart FEATURES All In One Design Differential Speed Rollers Machined Fluted Stainless Steel Rollers Precision Gap Adjustment Extruded Aluminum Chassis Specs 350 lb h 25 lb Hopper 0. 5 2. 0mm Gap Range 18" Width x 19.