Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless 4-1/2 in./5 in. Braking Grinder Kit w/Paddle Switch & (2)6.0 BatteriesMilwaukee M18 FUEL 18V Braking Grinder Kit Optimize your worksite productivity and safety with the Milwaukee M18 FUEL 18V Braking Grinder Kit. With a RAPIDSTOP brake and the powerful performance of the POWERSTATE brushless motor, this cordless grinder is ideal for tough grinding and cutting applications. The inclusion of two REDLITHIUM HIGH OUTPUT 6. 0 Batteries further ensures longer runtime and superior power efficiency. Key Features: POWERSTATE