Combining ergonomic comfort with powerful performance and outstanding durability, this 15 amp, 6000 RPM, 4.0 maximum hp grinder will get the job done. A two-finger lock-on trigger switch, three-position side handle and conveniently located spindle lock also contribute to the user's comfort. Sold as a grinder, this tool can be converted to a sander by purchasing a 7" or 9" backing pad assembly which is easily attached to the tool. It has a low profile gear case for getting into tight spots.