The MILWAUKEE M18 FUEL 4-1/2" / 5" Variable Speed Braking Angle Grinder, Paddle Switch No-Lock is the newest addition to Milwaukee's battery-powered grinder lineup, generating 11A Corded Power, 5 Speed for Increased Control, and RAPIDSTOP Brake for Enhanced Safety. The POWERSTATE Brushless Motor delivers 3,500- 8,500 RPM and maximum sustained power to complete the toughest grinding and cutting applications to push cordless angle grinders harder and longer than ever before. REDLINK PLUS Intelligence ensures unmated levels of performance, protection, and compatibility. The M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than the M18 REDLITHIUM XC Batteries. The Variable Speed dial provides 5-speed settings between 3,500 RPM and 8,500 RPM allowing for greater control in more applications. With tool-free accessory and guard adjustments, experience faster accessory changes and less downtime. The M18 FUEL 4-1/2" / 5" Variable Speed Angle Grinder takes cordless tools to the next level in performance, run-time, and application versatility.