Description The worldâs first cordless grinder delivers the power of a corded grinder with up to 2X more run time and up to 10X longer motor life. The M18 FUEL 4-1/2 in. / 5 in. Grinder supplies maximum sustained power to complete the toughest grinding, surface preparation and cutting applications. The POWERSTATE Brushless Motor provides up to 10X longer motor life and lower cost of ownership. The M18 REDLITHIUM XC5.0 Battery Pack (not included) delivers up to 4X more run time and 20% more power. The grinder features REDLINK PLUS Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. The 18-Volt Lithium-Ion grinders thin body design gives it optimized balance to rest easily in your hands. Tool-free accessory changes and guard adjustments mean less downtime during work. The grinder is built with the same tool body, gearing system and anti-vibration side handle as Milwaukees legendary high-performance corded grinders for maximum durability on the job. Grinding wheel sold separately.PRODUCT DETAILS: Powerstate brushless motor: delivers maximum power and up to 10X longer motor life Redlink plus intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger Redlithium X C5.0 battery pack (not included) provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life Power to grind: worldâs first cordless grinder with corded performance Durability: same metal housing and gearing system as legendary high performance corded grinders 100% tool free: make all accessory changes and guard adjustments without a wrench for increased productivity Paddle-switch design: provides increased comfort and ease-of-use when operating in various positions Tool-only (no battery or charger included) Compatible with all M18 batteries 5-year tool warranty Switch type: paddle no-lock Speed: 8,500 RPM No trigger lock