This Bevel Buddy Max 12 Volt with 10' or 20' cord length available, this kit includes a 12 volt drive motor with either a 10' or 20' cord, universal grinding head and two drum abrasives, safety glasses and storage case. The sharpener is extremely versatile! It was designed for use on smaller disc and drum brush chippers with confined knife access areas, but equally effective for whole tree chippers.