The MILWAUKEE® M18 FUELTM 4-1/2" / 5" Braking Grinder with ONE-KEYTM Paddle Switch, No Lock is the next advancement in power and performance of cordless grinders while enhancing safety with its RAPIDSTOPTM Brake. The M18 FUELTM 4-1/2" / 5" Braking Grinder with ONE-KEYTM generates 11A corded power to complete the toughest grinding and cutting applications. The POWERSTATETM Brushless Motor delivers maximum sustained power and 8,500 RPM to remove material faster and increase productivity. REDLINK PLUSTM Intelligence ensures unmatched levels of performance, protection, and compatibility. The RAPIDSTOPTM Brake provides stop times under 2 seconds with an abrasive disc. This battery-powered grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. Compatible with ONE-KEYTM, this grinder wirelessly connects to a smartphone to track and manage the tool, providing visibility to where tools are across a network of jobs. The included M18TM REDLITHIUMTM HIGH OUTPUTTM XC6.0 Batteries deliver 50% more power while running 50% cooler than the M18TM REDLITHIUMTM XC Batteries. Experience faster accessory changes, and less downtime with tool-free accessory and guard adjustments, while remaining fully compatible with the most common accessories in the market. The M18 FUELTM 4-1/2" / 5" Braking Grinder with ONE-KEYTM is the next level of jobsite productivity and enhanced safety in cordless grinders.