Large Hopper Opening: The large opening(8.5*8.5inch) allows you to put large quantities of grains once a time, which is very convenient for adding grains. Aluminum Strips: The package includes two aluminum strips for easily putting it on the bucket and milled grains can go straight into the bucket(not included). Application It is suitable for milling barley, wheat, and other grains, which are very suitable for self-made beer brewing. 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. 5.If rotating at high speeds, momentary jamming and stopping when there is debris can cause arm injuries. You can contact us to send you the installation and operation videos for your reference. 6.Please make sure it does not have friction with the internal rollers when the hopper is installed, if there is friction, please adjust the hopper manually.