The MILWAUKEE® M18 FUEL™ 4-1/2” - 6” Braking Grinder, Paddle, No-Lock is the highest performing small angle grinder. It generates the power of a 13A corded grinder, brakes all accessories under 3 seconds, and has 6” grinding capacity. The POWERSTATE™ Brushless Motor delivers 9,000 RPM and the power equivalent of a 13A corded grinder. REDLINK PLUS™ Intelligence ensures maximum performance and protects the angle grinder from overload, overheating and over discharge. Rapid Stop Braking stops all accessories in under 3 seconds. Providing high performance, advanced ergonomics and legendary durability, the M18 FUEL™ 4-1/2” - 6” Braking Grinder is designed to complete the toughest grinding, surface preparation and cutting applications with all 4-1/2” – 6” accessories. The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery provides more material removed per charge and unmatched run-time in all applications. Tool-free accessory changes using the FIXTEC nut and tool-free guard adjustments ensures less downtime as they work. The angle grinder's grinding wheel is sold separately. The kit includes two M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Batteries