[Adjustable Roller Gap]--Rollers gap distance is adjustable from 0.025 to 0.1 inches, Adjust the rollers gap according to the density of the grain, Makes grinding malted and unmalted grains a breeze | [Rugged Bearing Rollers]--2 Rollers are 304 Stainless Steel, This mill uses bearings for the 2 rollers, Bearings rollers will last much longer than bushings rollers, Excellent material, You can use this malt crusher for life | [High Capacity&High Efficiency]--Large grain hopper can hold 7LB at one time, is easily under 10 minutes to run all the grain through twice, This crusher Improves work efficiency and saves your time efficiently | [2 Grinding Mode]--Works well with the handle crank and LOW speed electric drill, Freely switch between Manual Crank and Electric Drill Mode, The end of the drive shaft where the handle(or power drill)attaches takes an 8mm hex socket, This stainless grain mill makes your homebrew easier | 【100% LIFELONG ISSUES SOLVING FOR YOU】Each MRbrew malt crusher is backed by unbeatable, reliable, trusted product quality, we will unconditionally solve your problems if you are not satisfied!