Key Features High-quality Material: The carbon steel rollers and stainless steel housing and hopper give this product high hardness and keep it sturdy and durable. Adjustable Roller Gap: By adjusting the screws, the gap between the two rollers can be adjusted(0-2.5mm) to the right position for an even grinding effect with minimal husk damage. Large Capacity: The hopper boasts a 1.06 gal capacity and can hold up to 11 lbs grains of each time, largely improving productivity. 2 Grinding Methods: The product can be installed with a crank handle for manual grinding or with a corded electric drill(not included) for fast grinding to meet your different needs. Easy to Install: With the installation video and complete accessories, you can easily install the machine with less time and effort. Effortless Cleaning: Each time after use, you can easily wipe it with a soft cloth. Application It is suitable for milling barley, wheat, and other grains. Adjustable Clearance 1.Loose the 2 bolts on both ends; 2.Spin the right knob to get a proper clearance; 3.Spin and make sure you've got the same place for the left knob; 4.Tighten the 2 bolts to fix the rollers. Specifications Color: Silver Style: Modern Speed: Manual Assembly Required: Yes Mount Type: Bucket(Not Included) Recommended Uses For Product: Grinding Material: Carbon Steel, Stainless Steel, Aluminum Capacity: 4L/1.06gal Discharging Granularity: 0.2mm Hopper Load Bearing: 4.99kg/11lbs Adjustable Distance Between Rollers: 0-2.5mm/0-0.098inch Product Height: 26.6cm/10.47inch Base Size: 15.2*7.6cm/5.98*2.99inch Roller Size(L*D): 15*3.8cm/6*1.5inch Funnel Opening Size: 21.6*21.6cm/8.5*8.5inch Crank Handle: 11.4cm/4.49inch Package size: 31*26.5*15cm/12*10*6inch Gross Weight: 3.1kg/6.83lbs Package Included 1*Grain Mill Grinder 2*Aluminum Strips All Needed Accessories Notes 1.Please check the size carefully before ordering. 2.The product does not include an electric drill. You will need to supply or build a base to set the mill over a grain bin or 5-gallon bucket(not included). Grinding speed for hand crank operation depends on the individual. 3.Please note that it is only used for grinding and crushing dry grains. Not for legumes, moist grains, or flours. 4.If you receive the machine with oil, you can use a clean towel to wipe the machine, and then use some malt cereals to repeatedly grind 1-2 times, and finally wipe it clean.