For Earthway M21 Series 12 Volt Broadcast Spreaders. Use with your ATV, Lawnmower or other Utility Vehicle. Attaches with U-bolts to the front or rear rack of ATV's. Mutiple holes on plate allow for easy installation. Kit includes Mouting Plate, Wiring Harness. Fits these spreaders: M21P & M21S. Includes power cord with on/off switch and shutoff activation cord.