The M18 FUEL 7 in. / 9 in. Large angle grinder is the world's first 18 V large angle grinder generating the power of a 15 A corded large angle grinder, 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. to 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 (sold separately) delivers unmatched run-time in all applications. Tool-free accessory changes using the FIXTEC nut and guard adjustments mean less downtime during work.