The M18 FUEL 7 IN. / 9 IN. Large Angle Grinder is the world's first 18v LAG. It generates 15A corded power is up to 2 lbs lighter, and has 9 IN. 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 IN. - 9 IN. accessory. The POWERSTATE Brushless Motor provides 6,600 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.