This board is made to be used with your Wonder Junior grain mill and the Marathon 1/2 HP Heavy Duty Motorizing Motor. It has all the holes perfectly mapped out for the bolts.
Add-On Options:
4 Legs
8 Mounting Bolts 3/8 inch
Safety Cover
Geared Pulley Set
16 AMP Switch
1/2 HP Heavy Duty Motor 3/8 inch 1725 RPM
Video Instructions: