Our M18 FUEL™ 4-1/2" / 5" Braking Grinder Slide Switch, Lock-On is the next advancement in power and performance, generating 11A corded power, fastest cutting, and delivering up to 135 cuts per charge. The M18 FUEL™ 4-1/2" / 5" Braking Grinder generates 11A corded power allowing you to complete the toughest grinding and cutting applications, all on the M18™ cordless system. The POWERSTATE™ Brushless Motor delivers maximum sustained power and 8,500 RPM to remove material faster and increase productivity. REDLINK PLUS™ Intelligence ensures unmatched levels of performance, protection, and compatibility. The RAPIDSTOP™ Brake provides stop times under 2 seconds with an abrasive disc. The M18 FUEL™ 4-1/2" / 5" Braking Grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than our M18™ REDLITHIUM™ XC Batteries and are compatible with 200+ Tools in the M18™ System. With tool-free accessory and guard adjustments, you will experience faster accessory changes, and less downtime, while remaining fully compatible with the most common accessories in the market. The MILWAUKEE® M18 FUEL™ 4-1/2" / 5" Braking Grinder takes cordless grinders to the next level in performance and run-time.