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 delivers maximum power and longer motor life. The thin body design gives it optimized balance to rest easily in the hands. Tool-free accessory changes and guard adjustments mean less downtime during work. Built with the same tool body, gearing system and anti-vibration side handle as the high-performance corded grinders for maximum durability. Paddle-switch design provides increased comfort and ease-of-use when operating in various positions. REDLINK PLUS intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger. Grinding wheel sold separately. Bare tool - battery and charger not included.