M18 FUEL 4-1/2″ Grinder with Paddle Switch(Bare Tool) Features and Benefits: POWERSTATE Brushless Motor: delivers maximum power and as much as 10X longer motor life REDLINK PLUS Intelligence provides optimized performance, electronic snatch, and overload protection the use of total system communication between tool, battery and charger REDLITHIUM XC 4.0 Battery Pack provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life POWER TO GRIND: Worlds first cordless grinder with corded performance DURABILITY: Same metal housing and gearing system as legendary high performance corded grinders The M18 FUEL 4-1/2″ / 5″ Grinder supplies maximum sustained power to finish the toughest grinding, surface preparation and cutting applications. The 18-volt lithium-ion grinders thin body design gives it optimized balance to rest easily to your hands. Tool-free accessory changes and guard adjustments mean less downtime all through work. The grinder is built with the similar tool body, gearing system and anti-vibration side maintain as Milwaukees legendary high-performance corded grinders for maximum durability at the job. Battery, charger and grinding wheel sold one by one.