Craftsman's 19.2 V C3 grinder comes with an interchangeable 19.2V DieHard battery and boasts a variable speed motor capable of 65,000 RPM and a 4 1/12" grinding wheel. Intended for use on rust, steel, tile and mortar. Includes a conveniently located and intuitive safety switch helps prevent accidental startups while a tool free guard allows the user quick adjustment for different applications. Wrenches can be stored in handle. Same handle can be adjusted to three different positions to allow for comfort and control of the grinder.