The M18 FUEL 7" / 9" Large Angle Grinder is the world's first 18v LAG. It generates 15A corded power is up to 2 lbs lighter, and has 9" grinding capacity. Providing high performance advanced ergonomics & legendary durability this grinder is designed to complete the toughest grinding surface preparation and cutting applications with any 7" - 9" accessory. The POWERSTATE Brushless Motor provides 6600 RPM and higher speeds under load for corded grinding/cutting performance. REDLINK PLUS intelligence ensures maximum performance and protection from overload.overheating and over discharge. The M18 REDLITHIUM HIGH OUTPUT HD12.0 battery delivers unmatched run-time in all applications. Tool-free accessory changes using the FIXTEC nut and guard adjustments mean less downtime during work.