From the product description, check product page for current description, price and availability:

Do you want to motorize your KegLand MaltMuncher Mill? This high torque geared grain mill motor fits the 12mm shaft on our item B06 Three Roller Mill (and any other 2 or three roller mill with a 12mm drive shaft and 1½” diameter rollers), and features internal gears to spin your mill at 200 rpm. A heavy duty spider coupling absorbs the direct drive shock, and the 1 amp motor has plenty of power to turn. This kit also includes a 10mm shaft adapter, in case you have a Maltmuncher Two Roller Mill.

NOTE: This is for mills with 1½” diameter rollers only, it will not drive larger mills with 2″ diameter rollers. This will not work with the Monster Mill MM3

A safety switch is included for mounting on your mill mount. This includes a button that is harder to turn on than turn off (to turn on, twist the red knob and press down, to turn off, just press the red knob).

This kit requires wiring and installation, besides a MaltMuncher Mill, you will need to wire this mill to your 110 volt power source (a plug is not included). You will also need to build a table mount for this mill, and elevate the motor ½” so it will line up with the drive shaft on the Mill.

See the thumbnails for mounting and wiring ideas.. When wiring, besides the hot red and black neutral wires coming out of the safety switch that you wire to your house 110 volt hot and neutral lines, you will also need to wire a green ground wire from a mount on the motor to your three prong plug.

For barley malt only, this mill does not crush corn.