Get superior power and maximum performance with the MILWAUKEE M18 FUEL 4-1/2 in. - 6 in. Braking Grinder, Slide Switch, Lock-On one battery kit. It generates the power of a 13A corded grinder, has 6 in. grinding capacity and brakes all accessories under 3 seconds. REDLINK PLUS Intelligence protects the grinder from overloading, overheating and over discharge. The M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery delivers more material removed per charge and exceptional run time. FIXTEC nut and tool-free guard adjustments mean less downtime as you work. The grinding wheel is sold separately. This kit includes one M18 REDLITHIUM HIGH OUTPUT XC6.0 Battery.