Bosch 1873-8 7-Inch Large Angle Grinder with Rat Tail Handle 15 Amps, 8,500 RPM Lock-on/off switch  for extended use applications Vibration Control Side and Main Handles  Reduces vibration up to 60%, providing uncompromising user comfort for extended periods of work AC/DC capability  Extends the versatility of the tool by working from DC outlets such as welders and generators Service Minder brushes  eliminates guesswork, stops the tool when preventive maintenance is required